50488100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 119867328

約数和(自身を除く): 69379228

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 547, 650, 710, 923, 1094, 1300, 1420, 1775, 1846, 2188, 2735, 3550, 3692, 4615, 5470, 7100, 7111, 9230, 10940, 13675, 14222, 18460, 23075, 27350, 28444, 35555, 38837, 46150, 54700, 71110, 77674, 92300, 142220, 155348, 177775, 194185, 355550, 388370, 504881, 711100, 776740, 970925, 1009762, 1941850, 2019524, 2524405, 3883700, 5048810, 10097620, 12622025, 25244050, 50488100]

約数ペア:

[(1, 50488100), (2, 25244050), (4, 12622025), (5, 10097620), (10, 5048810), (13, 3883700), (20, 2524405), (25, 2019524), (26, 1941850), (50, 1009762), (52, 970925), (65, 776740), (71, 711100), (100, 504881), (130, 388370), (142, 355550), (260, 194185), (284, 177775), (325, 155348), (355, 142220), (547, 92300), (650, 77674), (710, 71110), (923, 54700), (1094, 46150), (1300, 38837), (1420, 35555), (1775, 28444), (1846, 27350), (2188, 23075), (2735, 18460), (3550, 14222), (3692, 13675), (4615, 10940), (5470, 9230), (7100, 7111)]