71254910

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{13999}}^1$

素因数の和:14515

約数の個数: 16

約数和(自身を含む): 128520000

約数和(自身を除く): 57265090

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 13999, 27998, 69995, 139990, 7125491, 14250982, 35627455, 71254910]

約数ペア:

[(1, 71254910), (2, 35627455), (5, 14250982), (10, 7125491), (509, 139990), (1018, 69995), (2545, 27998), (5090, 13999)]