80201980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38933}}^1$

素因数の和:39045

約数の個数: 24

約数和(自身を含む): 170063712

約数和(自身を除く): 89861732

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 38933, 77866, 155732, 194665, 389330, 778660, 4010099, 8020198, 16040396, 20050495, 40100990, 80201980]

約数ペア:

[(1, 80201980), (2, 40100990), (4, 20050495), (5, 16040396), (10, 8020198), (20, 4010099), (103, 778660), (206, 389330), (412, 194665), (515, 155732), (1030, 77866), (2060, 38933)]