64476020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460543}}^1$

素因数の和:460559

約数の個数: 24

約数和(自身を含む): 154742784

約数和(自身を除く): 90266764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460543, 921086, 1842172, 2302715, 3223801, 4605430, 6447602, 9210860, 12895204, 16119005, 32238010, 64476020]

約数ペア:

[(1, 64476020), (2, 32238010), (4, 16119005), (5, 12895204), (7, 9210860), (10, 6447602), (14, 4605430), (20, 3223801), (28, 2302715), (35, 1842172), (70, 921086), (140, 460543)]