28932040

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{881}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 65250360

約数和(自身を除く): 36318320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 881, 1642, 1762, 3284, 3524, 4105, 4405, 6568, 7048, 8210, 8810, 16420, 17620, 32840, 35240, 723301, 1446602, 2893204, 3616505, 5786408, 7233010, 14466020, 28932040]

約数ペア:

[(1, 28932040), (2, 14466020), (4, 7233010), (5, 5786408), (8, 3616505), (10, 2893204), (20, 1446602), (40, 723301), (821, 35240), (881, 32840), (1642, 17620), (1762, 16420), (3284, 8810), (3524, 8210), (4105, 7048), (4405, 6568)]