6403960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4327}}^1$

素因数の和:4375

約数の個数: 32

約数和(自身を含む): 14801760

約数和(自身を除く): 8397800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 4327, 8654, 17308, 21635, 34616, 43270, 86540, 160099, 173080, 320198, 640396, 800495, 1280792, 1600990, 3201980, 6403960]

約数ペア:

[(1, 6403960), (2, 3201980), (4, 1600990), (5, 1280792), (8, 800495), (10, 640396), (20, 320198), (37, 173080), (40, 160099), (74, 86540), (148, 43270), (185, 34616), (296, 21635), (370, 17308), (740, 8654), (1480, 4327)]