401020120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{345707}}^1$

素因数の和:345747

約数の個数: 32

約数和(自身を含む): 933411600

約数和(自身を除く): 532391480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 345707, 691414, 1382828, 1728535, 2765656, 3457070, 6914140, 10025503, 13828280, 20051006, 40102012, 50127515, 80204024, 100255030, 200510060, 401020120]

約数ペア:

[(1, 401020120), (2, 200510060), (4, 100255030), (5, 80204024), (8, 50127515), (10, 40102012), (20, 20051006), (29, 13828280), (40, 10025503), (58, 6914140), (116, 3457070), (145, 2765656), (232, 1728535), (290, 1382828), (580, 691414), (1160, 345707)]