90972170

素因数分解:

$2^1\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{4273}}^1$

素因数の和:6409

約数の個数: 16

約数和(自身を含む): 163865160

約数和(自身を除く): 72892990

約数列:

[1, 2, 5, 10, 2129, 4258, 4273, 8546, 10645, 21290, 21365, 42730, 9097217, 18194434, 45486085, 90972170]

約数ペア:

[(1, 90972170), (2, 45486085), (5, 18194434), (10, 9097217), (2129, 42730), (4258, 21365), (4273, 21290), (8546, 10645)]