55400980

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2539}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 116494560

約数和(自身を除く): 61093580

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 2539, 4364, 5078, 5455, 10156, 10910, 12695, 21820, 25390, 50780, 2770049, 5540098, 11080196, 13850245, 27700490, 55400980]

約数ペア:

[(1, 55400980), (2, 27700490), (4, 13850245), (5, 11080196), (10, 5540098), (20, 2770049), (1091, 50780), (2182, 25390), (2539, 21820), (4364, 12695), (5078, 10910), (5455, 10156)]