31620380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{143729}}^1$

素因数の和:143749

約数の個数: 24

約数和(自身を含む): 72439920

約数和(自身を除く): 40819540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 143729, 287458, 574916, 718645, 1437290, 1581019, 2874580, 3162038, 6324076, 7905095, 15810190, 31620380]

約数ペア:

[(1, 31620380), (2, 15810190), (4, 7905095), (5, 6324076), (10, 3162038), (11, 2874580), (20, 1581019), (22, 1437290), (44, 718645), (55, 574916), (110, 287458), (220, 143729)]