40416040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 71558360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 107, 133, 140, 142, 152, 190, 214, 266, 280, 284, 355, 380, 428, 497, 532, 535, 568, 665, 710, 749, 760, 856, 994, 1064, 1070, 1330, 1349, 1420, 1498, 1988, 2033, 2140, 2485, 2660, 2698, 2840, 2996, 3745, 3976, 4066, 4280, 4970, 5320, 5396, 5992, 6745, 7490, 7597, 8132, 9443, 9940, 10165, 10792, 13490, 14231, 14980, 15194, 16264, 18886, 19880, 20330, 26980, 28462, 29960, 30388, 37772, 37985, 40660, 47215, 53179, 53960, 56924, 60776, 71155, 75544, 75970, 81320, 94430, 106358, 113848, 142310, 144343, 151940, 188860, 212716, 265895, 284620, 288686, 303880, 377720, 425432, 531790, 569240, 577372, 721715, 1010401, 1063580, 1154744, 1443430, 2020802, 2127160, 2886860, 4041604, 5052005, 5773720, 8083208, 10104010, 20208020, 40416040]

約数ペア:

[(1, 40416040), (2, 20208020), (4, 10104010), (5, 8083208), (7, 5773720), (8, 5052005), (10, 4041604), (14, 2886860), (19, 2127160), (20, 2020802), (28, 1443430), (35, 1154744), (38, 1063580), (40, 1010401), (56, 721715), (70, 577372), (71, 569240), (76, 531790), (95, 425432), (107, 377720), (133, 303880), (140, 288686), (142, 284620), (152, 265895), (190, 212716), (214, 188860), (266, 151940), (280, 144343), (284, 142310), (355, 113848), (380, 106358), (428, 94430), (497, 81320), (532, 75970), (535, 75544), (568, 71155), (665, 60776), (710, 56924), (749, 53960), (760, 53179), (856, 47215), (994, 40660), (1064, 37985), (1070, 37772), (1330, 30388), (1349, 29960), (1420, 28462), (1498, 26980), (1988, 20330), (2033, 19880), (2140, 18886), (2485, 16264), (2660, 15194), (2698, 14980), (2840, 14231), (2996, 13490), (3745, 10792), (3976, 10165), (4066, 9940), (4280, 9443), (4970, 8132), (5320, 7597), (5396, 7490), (5992, 6745)]