80089340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65647}}^1$

素因数の和:65717

約数の個数: 24

約数和(自身を含む): 170947392

約数和(自身を除く): 90858052

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 65647, 131294, 262588, 328235, 656470, 1312940, 4004467, 8008934, 16017868, 20022335, 40044670, 80089340]

約数ペア:

[(1, 80089340), (2, 40044670), (4, 20022335), (5, 16017868), (10, 8008934), (20, 4004467), (61, 1312940), (122, 656470), (244, 328235), (305, 262588), (610, 131294), (1220, 65647)]