40038320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 115706880

約数和(自身を除く): 75668560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 53, 56, 70, 71, 76, 80, 95, 106, 112, 133, 140, 142, 152, 190, 212, 265, 266, 280, 284, 304, 355, 371, 380, 424, 497, 530, 532, 560, 568, 665, 710, 742, 760, 848, 994, 1007, 1060, 1064, 1136, 1330, 1349, 1420, 1484, 1520, 1855, 1988, 2014, 2120, 2128, 2485, 2660, 2698, 2840, 2968, 3710, 3763, 3976, 4028, 4240, 4970, 5035, 5320, 5396, 5680, 5936, 6745, 7049, 7420, 7526, 7952, 8056, 9443, 9940, 10070, 10640, 10792, 13490, 14098, 14840, 15052, 16112, 18815, 18886, 19880, 20140, 21584, 26341, 26980, 28196, 29680, 30104, 35245, 37630, 37772, 39760, 40280, 47215, 52682, 53960, 56392, 60208, 70490, 71497, 75260, 75544, 80560, 94430, 105364, 107920, 112784, 131705, 140980, 142994, 150520, 151088, 188860, 210728, 263410, 281960, 285988, 301040, 357485, 377720, 421456, 500479, 526820, 563920, 571976, 714970, 755440, 1000958, 1053640, 1143952, 1429940, 2001916, 2107280, 2502395, 2859880, 4003832, 5004790, 5719760, 8007664, 10009580, 20019160, 40038320]

約数ペア:

[(1, 40038320), (2, 20019160), (4, 10009580), (5, 8007664), (7, 5719760), (8, 5004790), (10, 4003832), (14, 2859880), (16, 2502395), (19, 2107280), (20, 2001916), (28, 1429940), (35, 1143952), (38, 1053640), (40, 1000958), (53, 755440), (56, 714970), (70, 571976), (71, 563920), (76, 526820), (80, 500479), (95, 421456), (106, 377720), (112, 357485), (133, 301040), (140, 285988), (142, 281960), (152, 263410), (190, 210728), (212, 188860), (265, 151088), (266, 150520), (280, 142994), (284, 140980), (304, 131705), (355, 112784), (371, 107920), (380, 105364), (424, 94430), (497, 80560), (530, 75544), (532, 75260), (560, 71497), (568, 70490), (665, 60208), (710, 56392), (742, 53960), (760, 52682), (848, 47215), (994, 40280), (1007, 39760), (1060, 37772), (1064, 37630), (1136, 35245), (1330, 30104), (1349, 29680), (1420, 28196), (1484, 26980), (1520, 26341), (1855, 21584), (1988, 20140), (2014, 19880), (2120, 18886), (2128, 18815), (2485, 16112), (2660, 15052), (2698, 14840), (2840, 14098), (2968, 13490), (3710, 10792), (3763, 10640), (3976, 10070), (4028, 9940), (4240, 9443), (4970, 8056), (5035, 7952), (5320, 7526), (5396, 7420), (5680, 7049), (5936, 6745)]