161321320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{14251}}^1$

素因数の和:14545

約数の個数: 32

約数和(自身を含む): 364281120

約数和(自身を除く): 202959800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 14251, 28502, 57004, 71255, 114008, 142510, 285020, 570040, 4033033, 8066066, 16132132, 20165165, 32264264, 40330330, 80660660, 161321320]

約数ペア:

[(1, 161321320), (2, 80660660), (4, 40330330), (5, 32264264), (8, 20165165), (10, 16132132), (20, 8066066), (40, 4033033), (283, 570040), (566, 285020), (1132, 142510), (1415, 114008), (2264, 71255), (2830, 57004), (5660, 28502), (11320, 14251)]