100118840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 234178560

約数和(自身を除く): 134059720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 263, 307, 310, 526, 614, 620, 1052, 1228, 1240, 1315, 1535, 2104, 2456, 2630, 3070, 5260, 6140, 8153, 9517, 10520, 12280, 16306, 19034, 32612, 38068, 40765, 47585, 65224, 76136, 80741, 81530, 95170, 161482, 163060, 190340, 322964, 326120, 380680, 403705, 645928, 807410, 1614820, 2502971, 3229640, 5005942, 10011884, 12514855, 20023768, 25029710, 50059420, 100118840]

約数ペア:

[(1, 100118840), (2, 50059420), (4, 25029710), (5, 20023768), (8, 12514855), (10, 10011884), (20, 5005942), (31, 3229640), (40, 2502971), (62, 1614820), (124, 807410), (155, 645928), (248, 403705), (263, 380680), (307, 326120), (310, 322964), (526, 190340), (614, 163060), (620, 161482), (1052, 95170), (1228, 81530), (1240, 80741), (1315, 76136), (1535, 65224), (2104, 47585), (2456, 40765), (2630, 38068), (3070, 32612), (5260, 19034), (6140, 16306), (8153, 12280), (9517, 10520)]