4395920

素因数分解:

$2^4\times 5^1\times {\mathrm{54949}}^1$

素因数の和:54962

約数の個数: 20

約数和(自身を含む): 10220700

約数和(自身を除く): 5824780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54949, 109898, 219796, 274745, 439592, 549490, 879184, 1098980, 2197960, 4395920]

約数ペア:

[(1, 4395920), (2, 2197960), (4, 1098980), (5, 879184), (8, 549490), (10, 439592), (16, 274745), (20, 219796), (40, 109898), (80, 54949)]