401034680

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{26879}}^1$

素因数の和:27263

約数の個数: 32

約数和(自身を含む): 904780800

約数和(自身を除く): 503746120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 26879, 53758, 107516, 134395, 215032, 268790, 537580, 1075160, 10025867, 20051734, 40103468, 50129335, 80206936, 100258670, 200517340, 401034680]

約数ペア:

[(1, 401034680), (2, 200517340), (4, 100258670), (5, 80206936), (8, 50129335), (10, 40103468), (20, 20051734), (40, 10025867), (373, 1075160), (746, 537580), (1492, 268790), (1865, 215032), (2984, 134395), (3730, 107516), (7460, 53758), (14920, 26879)]