51645220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21341}}^1$

素因数の和:21372

約数の個数: 36

約数和(自身を含む): 119216412

約数和(自身を除く): 67571192

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21341, 42682, 85364, 106705, 213410, 234751, 426820, 469502, 939004, 1173755, 2347510, 2582261, 4695020, 5164522, 10329044, 12911305, 25822610, 51645220]

約数ペア:

[(1, 51645220), (2, 25822610), (4, 12911305), (5, 10329044), (10, 5164522), (11, 4695020), (20, 2582261), (22, 2347510), (44, 1173755), (55, 939004), (110, 469502), (121, 426820), (220, 234751), (242, 213410), (484, 106705), (605, 85364), (1210, 42682), (2420, 21341)]