42990320

素因数分解:

$2^4\times 5^1\times {\mathrm{537379}}^1$

素因数の和:537392

約数の個数: 20

約数和(自身を含む): 99952680

約数和(自身を除く): 56962360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 537379, 1074758, 2149516, 2686895, 4299032, 5373790, 8598064, 10747580, 21495160, 42990320]

約数ペア:

[(1, 42990320), (2, 21495160), (4, 10747580), (5, 8598064), (8, 5373790), (10, 4299032), (16, 2686895), (20, 2149516), (40, 1074758), (80, 537379)]