825869950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 1562400000

約数和(自身を除く): 736530050

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 419, 499, 790, 838, 998, 1975, 2095, 2495, 3950, 4190, 4990, 10475, 12475, 20950, 24950, 33101, 39421, 66202, 78842, 165505, 197105, 209081, 331010, 394210, 418162, 827525, 985525, 1045405, 1655050, 1971050, 2090810, 5227025, 10454050, 16517399, 33034798, 82586995, 165173990, 412934975, 825869950]

約数ペア:

[(1, 825869950), (2, 412934975), (5, 165173990), (10, 82586995), (25, 33034798), (50, 16517399), (79, 10454050), (158, 5227025), (395, 2090810), (419, 1971050), (499, 1655050), (790, 1045405), (838, 985525), (998, 827525), (1975, 418162), (2095, 394210), (2495, 331010), (3950, 209081), (4190, 197105), (4990, 165505), (10475, 78842), (12475, 66202), (20950, 39421), (24950, 33101)]