4218320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 9966624

約数和(自身を除く): 5748304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 787, 1072, 1340, 1574, 2680, 3148, 3935, 5360, 6296, 7870, 12592, 15740, 31480, 52729, 62960, 105458, 210916, 263645, 421832, 527290, 843664, 1054580, 2109160, 4218320]

約数ペア:

[(1, 4218320), (2, 2109160), (4, 1054580), (5, 843664), (8, 527290), (10, 421832), (16, 263645), (20, 210916), (40, 105458), (67, 62960), (80, 52729), (134, 31480), (268, 15740), (335, 12592), (536, 7870), (670, 6296), (787, 5360), (1072, 3935), (1340, 3148), (1574, 2680)]