64506340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45427}}^1$

素因数の和:45507

約数の個数: 24

約数和(自身を含む): 137374272

約数和(自身を除く): 72867932

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 45427, 90854, 181708, 227135, 454270, 908540, 3225317, 6450634, 12901268, 16126585, 32253170, 64506340]

約数ペア:

[(1, 64506340), (2, 32253170), (4, 16126585), (5, 12901268), (10, 6450634), (20, 3225317), (71, 908540), (142, 454270), (284, 227135), (355, 181708), (710, 90854), (1420, 45427)]