40168280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3156

約数の個数: 64

約数和(自身を含む): 100764000

約数和(自身を除く): 60595720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3109, 3230, 6218, 6460, 12436, 12920, 15545, 24872, 31090, 52853, 59071, 62180, 105706, 118142, 124360, 211412, 236284, 264265, 295355, 422824, 472568, 528530, 590710, 1004207, 1057060, 1181420, 2008414, 2114120, 2362840, 4016828, 5021035, 8033656, 10042070, 20084140, 40168280]

約数ペア:

[(1, 40168280), (2, 20084140), (4, 10042070), (5, 8033656), (8, 5021035), (10, 4016828), (17, 2362840), (19, 2114120), (20, 2008414), (34, 1181420), (38, 1057060), (40, 1004207), (68, 590710), (76, 528530), (85, 472568), (95, 422824), (136, 295355), (152, 264265), (170, 236284), (190, 211412), (323, 124360), (340, 118142), (380, 105706), (646, 62180), (680, 59071), (760, 52853), (1292, 31090), (1615, 24872), (2584, 15545), (3109, 12920), (3230, 12436), (6218, 6460)]