520121620

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{16183}}^1$

素因数の和:17799

約数の個数: 24

約数和(自身を含む): 1093002624

約数和(自身を除く): 572881004

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035, 16070, 16183, 32140, 32366, 64732, 80915, 161830, 323660, 26006081, 52012162, 104024324, 130030405, 260060810, 520121620]

約数ペア:

[(1, 520121620), (2, 260060810), (4, 130030405), (5, 104024324), (10, 52012162), (20, 26006081), (1607, 323660), (3214, 161830), (6428, 80915), (8035, 64732), (16070, 32366), (16183, 32140)]