138627760

素因数分解:

$2^4\times 5^1\times {\mathrm{1732847}}^1$

素因数の和:1732860

約数の個数: 20

約数和(自身を含む): 322309728

約数和(自身を除く): 183681968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1732847, 3465694, 6931388, 8664235, 13862776, 17328470, 27725552, 34656940, 69313880, 138627760]

約数ペア:

[(1, 138627760), (2, 69313880), (4, 34656940), (5, 27725552), (8, 17328470), (10, 13862776), (16, 8664235), (20, 6931388), (40, 3465694), (80, 1732847)]