13290800

素因数分解:

$2^4\times 5^2\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 32289600

約数和(自身を除く): 18998800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 149, 200, 223, 298, 400, 446, 596, 745, 892, 1115, 1192, 1490, 1784, 2230, 2384, 2980, 3568, 3725, 4460, 5575, 5960, 7450, 8920, 11150, 11920, 14900, 17840, 22300, 29800, 33227, 44600, 59600, 66454, 89200, 132908, 166135, 265816, 332270, 531632, 664540, 830675, 1329080, 1661350, 2658160, 3322700, 6645400, 13290800]

約数ペア:

[(1, 13290800), (2, 6645400), (4, 3322700), (5, 2658160), (8, 1661350), (10, 1329080), (16, 830675), (20, 664540), (25, 531632), (40, 332270), (50, 265816), (80, 166135), (100, 132908), (149, 89200), (200, 66454), (223, 59600), (298, 44600), (400, 33227), (446, 29800), (596, 22300), (745, 17840), (892, 14900), (1115, 11920), (1192, 11150), (1490, 8920), (1784, 7450), (2230, 5960), (2384, 5575), (2980, 4460), (3568, 3725)]