2102420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 4558848

約数和(自身を除く): 2456428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3391, 6782, 13564, 16955, 33910, 67820, 105121, 210242, 420484, 525605, 1051210, 2102420]

約数ペア:

[(1, 2102420), (2, 1051210), (4, 525605), (5, 420484), (10, 210242), (20, 105121), (31, 67820), (62, 33910), (124, 16955), (155, 13564), (310, 6782), (620, 3391)]