66979100

素因数分解:

$2^2\times 5^2\times {\mathrm{669791}}^1$

素因数の和:669805

約数の個数: 18

約数和(自身を含む): 145344864

約数和(自身を除く): 78365764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 669791, 1339582, 2679164, 3348955, 6697910, 13395820, 16744775, 33489550, 66979100]

約数ペア:

[(1, 66979100), (2, 33489550), (4, 16744775), (5, 13395820), (10, 6697910), (20, 3348955), (25, 2679164), (50, 1339582), (100, 669791)]