2489680

素因数分解:

$2^4\times 5^1\times {\mathrm{31121}}^1$

素因数の和:31134

約数の個数: 20

約数和(自身を含む): 5788692

約数和(自身を除く): 3299012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31121, 62242, 124484, 155605, 248968, 311210, 497936, 622420, 1244840, 2489680]

約数ペア:

[(1, 2489680), (2, 1244840), (4, 622420), (5, 497936), (8, 311210), (10, 248968), (16, 155605), (20, 124484), (40, 62242), (80, 31121)]