61820410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87071}}^1$

素因数の和:87149

約数の個数: 16

約数和(自身を含む): 112845312

約数和(自身を除く): 51024902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 87071, 174142, 435355, 870710, 6182041, 12364082, 30910205, 61820410]

約数ペア:

[(1, 61820410), (2, 30910205), (5, 12364082), (10, 6182041), (71, 870710), (142, 435355), (355, 174142), (710, 87071)]