2870920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5521}}^1$

素因数の和:5545

約数の個数: 32

約数和(自身を含む): 6957720

約数和(自身を除く): 4086800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5521, 11042, 22084, 27605, 44168, 55210, 71773, 110420, 143546, 220840, 287092, 358865, 574184, 717730, 1435460, 2870920]

約数ペア:

[(1, 2870920), (2, 1435460), (4, 717730), (5, 574184), (8, 358865), (10, 287092), (13, 220840), (20, 143546), (26, 110420), (40, 71773), (52, 55210), (65, 44168), (104, 27605), (130, 22084), (260, 11042), (520, 5521)]