131804360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89057}}^1$

素因数の和:89105

約数の個数: 32

約数和(自身を含む): 304578360

約数和(自身を除く): 172774000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 89057, 178114, 356228, 445285, 712456, 890570, 1781140, 3295109, 3562280, 6590218, 13180436, 16475545, 26360872, 32951090, 65902180, 131804360]

約数ペア:

[(1, 131804360), (2, 65902180), (4, 32951090), (5, 26360872), (8, 16475545), (10, 13180436), (20, 6590218), (37, 3562280), (40, 3295109), (74, 1781140), (148, 890570), (185, 712456), (296, 445285), (370, 356228), (740, 178114), (1480, 89057)]