13087040

素因数分解:

$2^6\times 5^1\times {\mathrm{40897}}^1$

素因数の和:40914

約数の個数: 28

約数和(自身を含む): 31164276

約数和(自身を除く): 18077236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40897, 81794, 163588, 204485, 327176, 408970, 654352, 817940, 1308704, 1635880, 2617408, 3271760, 6543520, 13087040]

約数ペア:

[(1, 13087040), (2, 6543520), (4, 3271760), (5, 2617408), (8, 1635880), (10, 1308704), (16, 817940), (20, 654352), (32, 408970), (40, 327176), (64, 204485), (80, 163588), (160, 81794), (320, 40897)]