2169640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4931}}^1$

素因数の和:4953

約数の個数: 32

約数和(自身を含む): 5326560

約数和(自身を除く): 3156920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4931, 9862, 19724, 24655, 39448, 49310, 54241, 98620, 108482, 197240, 216964, 271205, 433928, 542410, 1084820, 2169640]

約数ペア:

[(1, 2169640), (2, 1084820), (4, 542410), (5, 433928), (8, 271205), (10, 216964), (11, 197240), (20, 108482), (22, 98620), (40, 54241), (44, 49310), (55, 39448), (88, 24655), (110, 19724), (220, 9862), (440, 4931)]