180793520

素因数分解:

$2^4\times 5^1\times {\mathrm{2259919}}^1$

素因数の和:2259932

約数の個数: 20

約数和(自身を含む): 420345120

約数和(自身を除く): 239551600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2259919, 4519838, 9039676, 11299595, 18079352, 22599190, 36158704, 45198380, 90396760, 180793520]

約数ペア:

[(1, 180793520), (2, 90396760), (4, 45198380), (5, 36158704), (8, 22599190), (10, 18079352), (16, 11299595), (20, 9039676), (40, 4519838), (80, 2259919)]