57720020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{8039}}^1$

素因数の和:8407

約数の個数: 24

約数和(自身を含む): 121564800

約数和(自身を除く): 63844780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 8039, 16078, 32156, 40195, 80390, 160780, 2886001, 5772002, 11544004, 14430005, 28860010, 57720020]

約数ペア:

[(1, 57720020), (2, 28860010), (4, 14430005), (5, 11544004), (10, 5772002), (20, 2886001), (359, 160780), (718, 80390), (1436, 40195), (1795, 32156), (3590, 16078), (7180, 8039)]