1138961680

素因数分解:

$2^4\times 5^1\times {\mathrm{14237021}}^1$

素因数の和:14237034

約数の個数: 20

約数和(自身を含む): 2648086092

約数和(自身を除く): 1509124412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 14237021, 28474042, 56948084, 71185105, 113896168, 142370210, 227792336, 284740420, 569480840, 1138961680]

約数ペア:

[(1, 1138961680), (2, 569480840), (4, 284740420), (5, 227792336), (8, 142370210), (10, 113896168), (16, 71185105), (20, 56948084), (40, 28474042), (80, 14237021)]