129096280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{36263}}^1$

素因数の和:36363

約数の個数: 32

約数和(自身を含む): 293738400

約数和(自身を除く): 164642120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 36263, 72526, 145052, 181315, 290104, 362630, 725260, 1450520, 3227407, 6454814, 12909628, 16137035, 25819256, 32274070, 64548140, 129096280]

約数ペア:

[(1, 129096280), (2, 64548140), (4, 32274070), (5, 25819256), (8, 16137035), (10, 12909628), (20, 6454814), (40, 3227407), (89, 1450520), (178, 725260), (356, 362630), (445, 290104), (712, 181315), (890, 145052), (1780, 72526), (3560, 36263)]