25979525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 38955840

約数和(自身を除く): 12976315

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 143, 169, 215, 275, 325, 473, 559, 715, 845, 1075, 1859, 2197, 2365, 2795, 3575, 4225, 6149, 7267, 9295, 10985, 11825, 13975, 24167, 30745, 36335, 46475, 54925, 79937, 94471, 120835, 153725, 181675, 399685, 472355, 604175, 1039181, 1998425, 2361775, 5195905, 25979525]

約数ペア:

[(1, 25979525), (5, 5195905), (11, 2361775), (13, 1998425), (25, 1039181), (43, 604175), (55, 472355), (65, 399685), (143, 181675), (169, 153725), (215, 120835), (275, 94471), (325, 79937), (473, 54925), (559, 46475), (715, 36335), (845, 30745), (1075, 24167), (1859, 13975), (2197, 11825), (2365, 10985), (2795, 9295), (3575, 7267), (4225, 6149)]