25408220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 55738368

約数和(自身を除く): 30330148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 383, 428, 535, 620, 766, 1070, 1532, 1915, 2140, 3317, 3830, 6634, 7660, 11873, 13268, 16585, 23746, 33170, 40981, 47492, 59365, 66340, 81962, 118730, 163924, 204905, 237460, 409810, 819620, 1270411, 2540822, 5081644, 6352055, 12704110, 25408220]

約数ペア:

[(1, 25408220), (2, 12704110), (4, 6352055), (5, 5081644), (10, 2540822), (20, 1270411), (31, 819620), (62, 409810), (107, 237460), (124, 204905), (155, 163924), (214, 118730), (310, 81962), (383, 66340), (428, 59365), (535, 47492), (620, 40981), (766, 33170), (1070, 23746), (1532, 16585), (1915, 13268), (2140, 11873), (3317, 7660), (3830, 6634)]