61325720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1823}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 142983360

約数和(自身を除く): 81657640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 1823, 3364, 3646, 4205, 6728, 7292, 8410, 9115, 14584, 16820, 18230, 33640, 36460, 52867, 72920, 105734, 211468, 264335, 422936, 528670, 1057340, 1533143, 2114680, 3066286, 6132572, 7665715, 12265144, 15331430, 30662860, 61325720]

約数ペア:

[(1, 61325720), (2, 30662860), (4, 15331430), (5, 12265144), (8, 7665715), (10, 6132572), (20, 3066286), (29, 2114680), (40, 1533143), (58, 1057340), (116, 528670), (145, 422936), (232, 264335), (290, 211468), (580, 105734), (841, 72920), (1160, 52867), (1682, 36460), (1823, 33640), (3364, 18230), (3646, 16820), (4205, 14584), (6728, 9115), (7292, 8410)]