40657040

素因数分解:

$2^4\times 5^1\times {\mathrm{508213}}^1$

素因数の和:508226

約数の個数: 20

約数和(自身を含む): 94527804

約数和(自身を除く): 53870764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508213, 1016426, 2032852, 2541065, 4065704, 5082130, 8131408, 10164260, 20328520, 40657040]

約数ペア:

[(1, 40657040), (2, 20328520), (4, 10164260), (5, 8131408), (8, 5082130), (10, 4065704), (16, 2541065), (20, 2032852), (40, 1016426), (80, 508213)]