18208387360

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1602851}}^1$

素因数の和:1602937

約数の個数: 48

約数和(自身を含む): 43623220032

約数和(自身を除く): 25414832672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 1602851, 3205702, 6411404, 8014255, 12822808, 16028510, 25645616, 32057020, 51291232, 64114040, 113802421, 128228080, 227604842, 256456160, 455209684, 569012105, 910419368, 1138024210, 1820838736, 2276048420, 3641677472, 4552096840, 9104193680, 18208387360]

約数ペア:

[(1, 18208387360), (2, 9104193680), (4, 4552096840), (5, 3641677472), (8, 2276048420), (10, 1820838736), (16, 1138024210), (20, 910419368), (32, 569012105), (40, 455209684), (71, 256456160), (80, 227604842), (142, 128228080), (160, 113802421), (284, 64114040), (355, 51291232), (568, 32057020), (710, 25645616), (1136, 16028510), (1420, 12822808), (2272, 8014255), (2840, 6411404), (5680, 3205702), (11360, 1602851)]