88805980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{49891}}^1$

素因数の和:49989

約数の個数: 24

約数和(自身を含む): 188591760

約数和(自身を除く): 99785780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 49891, 99782, 199564, 249455, 498910, 997820, 4440299, 8880598, 17761196, 22201495, 44402990, 88805980]

約数ペア:

[(1, 88805980), (2, 44402990), (4, 22201495), (5, 17761196), (10, 8880598), (20, 4440299), (89, 997820), (178, 498910), (356, 249455), (445, 199564), (890, 99782), (1780, 49891)]