127667780

素因数分解:

$2^2\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{2851}}^1$

素因数の和:5099

約数の個数: 24

約数和(自身を含む): 268316160

約数和(自身を除く): 140648380

約数列:

[1, 2, 4, 5, 10, 20, 2239, 2851, 4478, 5702, 8956, 11195, 11404, 14255, 22390, 28510, 44780, 57020, 6383389, 12766778, 25533556, 31916945, 63833890, 127667780]

約数ペア:

[(1, 127667780), (2, 63833890), (4, 31916945), (5, 25533556), (10, 12766778), (20, 6383389), (2239, 57020), (2851, 44780), (4478, 28510), (5702, 22390), (8956, 14255), (11195, 11404)]