8436640

素因数分解:

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

素因数の和:869

約数の個数: 48

約数和(自身を含む): 20254752

約数和(自身を除く): 11818112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 787, 1072, 1340, 1574, 2144, 2680, 3148, 3935, 5360, 6296, 7870, 10720, 12592, 15740, 25184, 31480, 52729, 62960, 105458, 125920, 210916, 263645, 421832, 527290, 843664, 1054580, 1687328, 2109160, 4218320, 8436640]

約数ペア:

[(1, 8436640), (2, 4218320), (4, 2109160), (5, 1687328), (8, 1054580), (10, 843664), (16, 527290), (20, 421832), (32, 263645), (40, 210916), (67, 125920), (80, 105458), (134, 62960), (160, 52729), (268, 31480), (335, 25184), (536, 15740), (670, 12592), (787, 10720), (1072, 7870), (1340, 6296), (1574, 5360), (2144, 3935), (2680, 3148)]