4129360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 9749376

約数和(自身を除く): 5620016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 727, 1136, 1420, 1454, 2840, 2908, 3635, 5680, 5816, 7270, 11632, 14540, 29080, 51617, 58160, 103234, 206468, 258085, 412936, 516170, 825872, 1032340, 2064680, 4129360]

約数ペア:

[(1, 4129360), (2, 2064680), (4, 1032340), (5, 825872), (8, 516170), (10, 412936), (16, 258085), (20, 206468), (40, 103234), (71, 58160), (80, 51617), (142, 29080), (284, 14540), (355, 11632), (568, 7270), (710, 5816), (727, 5680), (1136, 3635), (1420, 2908), (1454, 2840)]