65041040

素因数分解:

$2^4\times 5^1\times {\mathrm{813013}}^1$

素因数の和:813026

約数の個数: 20

約数和(自身を含む): 151220604

約数和(自身を除く): 86179564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 813013, 1626026, 3252052, 4065065, 6504104, 8130130, 13008208, 16260260, 32520520, 65041040]

約数ペア:

[(1, 65041040), (2, 32520520), (4, 16260260), (5, 13008208), (8, 8130130), (10, 6504104), (16, 4065065), (20, 3252052), (40, 1626026), (80, 813013)]