125519780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 268080960

約数和(自身を除く): 142561180

約数列:

[1, 2, 4, 5, 10, 20, 139, 163, 277, 278, 326, 554, 556, 652, 695, 815, 1108, 1385, 1390, 1630, 2770, 2780, 3260, 5540, 22657, 38503, 45151, 45314, 77006, 90302, 90628, 113285, 154012, 180604, 192515, 225755, 226570, 385030, 451510, 453140, 770060, 903020, 6275989, 12551978, 25103956, 31379945, 62759890, 125519780]

約数ペア:

[(1, 125519780), (2, 62759890), (4, 31379945), (5, 25103956), (10, 12551978), (20, 6275989), (139, 903020), (163, 770060), (277, 453140), (278, 451510), (326, 385030), (554, 226570), (556, 225755), (652, 192515), (695, 180604), (815, 154012), (1108, 113285), (1385, 90628), (1390, 90302), (1630, 77006), (2770, 45314), (2780, 45151), (3260, 38503), (5540, 22657)]