68551120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77899}}^1$

素因数の和:77923

約数の個数: 40

約数和(自身を含む): 173872800

約数和(自身を除く): 105321680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 77899, 155798, 311596, 389495, 623192, 778990, 856889, 1246384, 1557980, 1713778, 3115960, 3427556, 4284445, 6231920, 6855112, 8568890, 13710224, 17137780, 34275560, 68551120]

約数ペア:

[(1, 68551120), (2, 34275560), (4, 17137780), (5, 13710224), (8, 8568890), (10, 6855112), (11, 6231920), (16, 4284445), (20, 3427556), (22, 3115960), (40, 1713778), (44, 1557980), (55, 1246384), (80, 856889), (88, 778990), (110, 623192), (176, 389495), (220, 311596), (440, 155798), (880, 77899)]