64960675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 87650640

約数和(自身を除く): 22689965

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 1979, 2525, 6565, 9895, 25727, 32825, 49475, 128635, 199879, 643175, 999395, 2598427, 4996975, 12992135, 64960675]

約数ペア:

[(1, 64960675), (5, 12992135), (13, 4996975), (25, 2598427), (65, 999395), (101, 643175), (325, 199879), (505, 128635), (1313, 49475), (1979, 32825), (2525, 25727), (6565, 9895)]