64177540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{823}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 154490112

約数和(自身を除く): 90312572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 823, 1114, 1646, 2228, 2785, 3292, 3899, 4115, 5570, 5761, 7798, 8230, 11140, 11522, 15596, 16460, 19495, 23044, 28805, 38990, 57610, 77980, 115220, 458411, 916822, 1833644, 2292055, 3208877, 4584110, 6417754, 9168220, 12835508, 16044385, 32088770, 64177540]

約数ペア:

[(1, 64177540), (2, 32088770), (4, 16044385), (5, 12835508), (7, 9168220), (10, 6417754), (14, 4584110), (20, 3208877), (28, 2292055), (35, 1833644), (70, 916822), (140, 458411), (557, 115220), (823, 77980), (1114, 57610), (1646, 38990), (2228, 28805), (2785, 23044), (3292, 19495), (3899, 16460), (4115, 15596), (5570, 11522), (5761, 11140), (7798, 8230)]