31409360

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2351}}^1$

素因数の和:2531

約数の個数: 40

約数和(自身を含む): 73495296

約数和(自身を除く): 42085936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2351, 2672, 3340, 4702, 6680, 9404, 11755, 13360, 18808, 23510, 37616, 47020, 94040, 188080, 392617, 785234, 1570468, 1963085, 3140936, 3926170, 6281872, 7852340, 15704680, 31409360]

約数ペア:

[(1, 31409360), (2, 15704680), (4, 7852340), (5, 6281872), (8, 3926170), (10, 3140936), (16, 1963085), (20, 1570468), (40, 785234), (80, 392617), (167, 188080), (334, 94040), (668, 47020), (835, 37616), (1336, 23510), (1670, 18808), (2351, 13360), (2672, 11755), (3340, 9404), (4702, 6680)]