131625650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 72

約数和(自身を含む): 272916684

約数和(自身を除く): 141291034

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 169, 185, 325, 338, 370, 421, 481, 650, 842, 845, 925, 962, 1690, 1850, 2105, 2405, 4210, 4225, 4810, 5473, 6253, 8450, 10525, 10946, 12025, 12506, 15577, 21050, 24050, 27365, 31154, 31265, 54730, 62530, 71149, 77885, 136825, 142298, 155770, 156325, 202501, 273650, 312650, 355745, 389425, 405002, 711490, 778850, 1012505, 1778725, 2025010, 2632513, 3557450, 5062525, 5265026, 10125050, 13162565, 26325130, 65812825, 131625650]

約数ペア:

[(1, 131625650), (2, 65812825), (5, 26325130), (10, 13162565), (13, 10125050), (25, 5265026), (26, 5062525), (37, 3557450), (50, 2632513), (65, 2025010), (74, 1778725), (130, 1012505), (169, 778850), (185, 711490), (325, 405002), (338, 389425), (370, 355745), (421, 312650), (481, 273650), (650, 202501), (842, 156325), (845, 155770), (925, 142298), (962, 136825), (1690, 77885), (1850, 71149), (2105, 62530), (2405, 54730), (4210, 31265), (4225, 31154), (4810, 27365), (5473, 24050), (6253, 21050), (8450, 15577), (10525, 12506), (10946, 12025)]