19740097960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44863859}}^1$

素因数の和:44863881

約数の個数: 32

約数和(自身を含む): 48452968800

約数和(自身を除く): 28712870840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44863859, 89727718, 179455436, 224319295, 358910872, 448638590, 493502449, 897277180, 987004898, 1794554360, 1974009796, 2467512245, 3948019592, 4935024490, 9870048980, 19740097960]

約数ペア:

[(1, 19740097960), (2, 9870048980), (4, 4935024490), (5, 3948019592), (8, 2467512245), (10, 1974009796), (11, 1794554360), (20, 987004898), (22, 897277180), (40, 493502449), (44, 448638590), (55, 358910872), (88, 224319295), (110, 179455436), (220, 89727718), (440, 44863859)]