71983840

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6163}}^1$

素因数の和:6251

約数の個数: 48

約数和(自身を含む): 172419408

約数和(自身を除く): 100435568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 6163, 11680, 12326, 24652, 30815, 49304, 61630, 98608, 123260, 197216, 246520, 449899, 493040, 899798, 986080, 1799596, 2249495, 3599192, 4498990, 7198384, 8997980, 14396768, 17995960, 35991920, 71983840]

約数ペア:

[(1, 71983840), (2, 35991920), (4, 17995960), (5, 14396768), (8, 8997980), (10, 7198384), (16, 4498990), (20, 3599192), (32, 2249495), (40, 1799596), (73, 986080), (80, 899798), (146, 493040), (160, 449899), (292, 246520), (365, 197216), (584, 123260), (730, 98608), (1168, 61630), (1460, 49304), (2336, 30815), (2920, 24652), (5840, 12326), (6163, 11680)]