40236280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 71738120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 79, 85, 107, 119, 136, 140, 158, 170, 214, 238, 280, 316, 340, 395, 428, 476, 535, 553, 595, 632, 680, 749, 790, 856, 952, 1070, 1106, 1190, 1343, 1498, 1580, 1819, 2140, 2212, 2380, 2686, 2765, 2996, 3160, 3638, 3745, 4280, 4424, 4760, 5372, 5530, 5992, 6715, 7276, 7490, 8453, 9095, 9401, 10744, 11060, 12733, 13430, 14552, 14980, 16906, 18190, 18802, 22120, 25466, 26860, 29960, 33812, 36380, 37604, 42265, 47005, 50932, 53720, 59171, 63665, 67624, 72760, 75208, 84530, 94010, 101864, 118342, 127330, 143701, 169060, 188020, 236684, 254660, 287402, 295855, 338120, 376040, 473368, 509320, 574804, 591710, 718505, 1005907, 1149608, 1183420, 1437010, 2011814, 2366840, 2874020, 4023628, 5029535, 5748040, 8047256, 10059070, 20118140, 40236280]

約数ペア:

[(1, 40236280), (2, 20118140), (4, 10059070), (5, 8047256), (7, 5748040), (8, 5029535), (10, 4023628), (14, 2874020), (17, 2366840), (20, 2011814), (28, 1437010), (34, 1183420), (35, 1149608), (40, 1005907), (56, 718505), (68, 591710), (70, 574804), (79, 509320), (85, 473368), (107, 376040), (119, 338120), (136, 295855), (140, 287402), (158, 254660), (170, 236684), (214, 188020), (238, 169060), (280, 143701), (316, 127330), (340, 118342), (395, 101864), (428, 94010), (476, 84530), (535, 75208), (553, 72760), (595, 67624), (632, 63665), (680, 59171), (749, 53720), (790, 50932), (856, 47005), (952, 42265), (1070, 37604), (1106, 36380), (1190, 33812), (1343, 29960), (1498, 26860), (1580, 25466), (1819, 22120), (2140, 18802), (2212, 18190), (2380, 16906), (2686, 14980), (2765, 14552), (2996, 13430), (3160, 12733), (3638, 11060), (3745, 10744), (4280, 9401), (4424, 9095), (4760, 8453), (5372, 7490), (5530, 7276), (5992, 6715)]