51451790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4447}}^1$

素因数の和:4556

約数の個数: 32

約数和(自身を含む): 100880640

約数和(自身を除く): 49428850

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 4447, 5785, 8894, 11570, 22235, 44470, 57811, 115622, 289055, 395783, 578110, 791566, 1978915, 3957830, 5145179, 10290358, 25725895, 51451790]

約数ペア:

[(1, 51451790), (2, 25725895), (5, 10290358), (10, 5145179), (13, 3957830), (26, 1978915), (65, 791566), (89, 578110), (130, 395783), (178, 289055), (445, 115622), (890, 57811), (1157, 44470), (2314, 22235), (4447, 11570), (5785, 8894)]