42489680

素因数分解:

$2^4\times 5^1\times {\mathrm{531121}}^1$

素因数の和:531134

約数の個数: 20

約数和(自身を含む): 98788692

約数和(自身を除く): 56299012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531121, 1062242, 2124484, 2655605, 4248968, 5311210, 8497936, 10622420, 21244840, 42489680]

約数ペア:

[(1, 42489680), (2, 21244840), (4, 10622420), (5, 8497936), (8, 5311210), (10, 4248968), (16, 2655605), (20, 2124484), (40, 1062242), (80, 531121)]