127981160

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{5683}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 288519840

約数和(自身を除く): 160538680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 5683, 11260, 11366, 22520, 22732, 28415, 45464, 56830, 113660, 227320, 3199529, 6399058, 12798116, 15997645, 25596232, 31995290, 63990580, 127981160]

約数ペア:

[(1, 127981160), (2, 63990580), (4, 31995290), (5, 25596232), (8, 15997645), (10, 12798116), (20, 6399058), (40, 3199529), (563, 227320), (1126, 113660), (2252, 56830), (2815, 45464), (4504, 28415), (5630, 22732), (5683, 22520), (11260, 11366)]