66860810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{18521}}^1$

素因数の和:18566

約数の個数: 24

約数和(自身を含む): 127023876

約数和(自身を除く): 60163066

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 18521, 37042, 92605, 185210, 351899, 703798, 1759495, 3518990, 6686081, 13372162, 33430405, 66860810]

約数ペア:

[(1, 66860810), (2, 33430405), (5, 13372162), (10, 6686081), (19, 3518990), (38, 1759495), (95, 703798), (190, 351899), (361, 185210), (722, 92605), (1805, 37042), (3610, 18521)]