51621050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 107219700

約数和(自身を除く): 55598650

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 149, 169, 205, 298, 325, 338, 410, 533, 650, 745, 845, 1025, 1066, 1490, 1690, 1937, 2050, 2665, 3725, 3874, 4225, 5330, 6109, 6929, 7450, 8450, 9685, 12218, 13325, 13858, 19370, 25181, 26650, 30545, 34645, 48425, 50362, 61090, 69290, 79417, 96850, 125905, 152725, 158834, 173225, 251810, 305450, 346450, 397085, 629525, 794170, 1032421, 1259050, 1985425, 2064842, 3970850, 5162105, 10324210, 25810525, 51621050]

約数ペア:

[(1, 51621050), (2, 25810525), (5, 10324210), (10, 5162105), (13, 3970850), (25, 2064842), (26, 1985425), (41, 1259050), (50, 1032421), (65, 794170), (82, 629525), (130, 397085), (149, 346450), (169, 305450), (205, 251810), (298, 173225), (325, 158834), (338, 152725), (410, 125905), (533, 96850), (650, 79417), (745, 69290), (845, 61090), (1025, 50362), (1066, 48425), (1490, 34645), (1690, 30545), (1937, 26650), (2050, 25181), (2665, 19370), (3725, 13858), (3874, 13325), (4225, 12218), (5330, 9685), (6109, 8450), (6929, 7450)]