79787440

素因数分解:

$2^4\times 5^1\times {\mathrm{997343}}^1$

素因数の和:997356

約数の個数: 20

約数和(自身を含む): 185505984

約数和(自身を除く): 105718544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997343, 1994686, 3989372, 4986715, 7978744, 9973430, 15957488, 19946860, 39893720, 79787440]

約数ペア:

[(1, 79787440), (2, 39893720), (4, 19946860), (5, 15957488), (8, 9973430), (10, 7978744), (16, 4986715), (20, 3989372), (40, 1994686), (80, 997343)]