53721680

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1019}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 125215200

約数和(自身を除く): 71493520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1019, 1318, 2038, 2636, 3295, 4076, 5095, 5272, 6590, 8152, 10190, 10544, 13180, 16304, 20380, 26360, 40760, 52720, 81520, 671521, 1343042, 2686084, 3357605, 5372168, 6715210, 10744336, 13430420, 26860840, 53721680]

約数ペア:

[(1, 53721680), (2, 26860840), (4, 13430420), (5, 10744336), (8, 6715210), (10, 5372168), (16, 3357605), (20, 2686084), (40, 1343042), (80, 671521), (659, 81520), (1019, 52720), (1318, 40760), (2038, 26360), (2636, 20380), (3295, 16304), (4076, 13180), (5095, 10544), (5272, 10190), (6590, 8152)]