78804532760

素因数分解:

$2^3\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{612407}}^1$

素因数の和:615635

約数の個数: 32

約数和(自身を含む): 177365604960

約数和(自身を除く): 98561072200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3217, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 612407, 1224814, 2449628, 3062035, 4899256, 6124070, 12248140, 24496280, 1970113319, 3940226638, 7880453276, 9850566595, 15760906552, 19701133190, 39402266380, 78804532760]

約数ペア:

[(1, 78804532760), (2, 39402266380), (4, 19701133190), (5, 15760906552), (8, 9850566595), (10, 7880453276), (20, 3940226638), (40, 1970113319), (3217, 24496280), (6434, 12248140), (12868, 6124070), (16085, 4899256), (25736, 3062035), (32170, 2449628), (64340, 1224814), (128680, 612407)]