64013360

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4909}}^1$

素因数の和:5085

約数の個数: 40

約数和(自身を含む): 149774640

約数和(自身を除く): 85761280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4909, 6520, 9818, 13040, 19636, 24545, 39272, 49090, 78544, 98180, 196360, 392720, 800167, 1600334, 3200668, 4000835, 6401336, 8001670, 12802672, 16003340, 32006680, 64013360]

約数ペア:

[(1, 64013360), (2, 32006680), (4, 16003340), (5, 12802672), (8, 8001670), (10, 6401336), (16, 4000835), (20, 3200668), (40, 1600334), (80, 800167), (163, 392720), (326, 196360), (652, 98180), (815, 78544), (1304, 49090), (1630, 39272), (2608, 24545), (3260, 19636), (4909, 13040), (6520, 9818)]