9968850485780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5600477801}}^1$

素因数の和:5600477899

約数の個数: 24

約数和(自身を含む): 21169806091560

約数和(自身を除く): 11200955605780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5600477801, 11200955602, 22401911204, 28002389005, 56004778010, 112009556020, 498442524289, 996885048578, 1993770097156, 2492212621445, 4984425242890, 9968850485780]

約数ペア:

[(1, 9968850485780), (2, 4984425242890), (4, 2492212621445), (5, 1993770097156), (10, 996885048578), (20, 498442524289), (89, 112009556020), (178, 56004778010), (356, 28002389005), (445, 22401911204), (890, 11200955602), (1780, 5600477801)]