42030640

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1559}}^1$

素因数の和:1909

約数の個数: 40

約数和(自身を含む): 98074080

約数和(自身を除く): 56043440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1559, 1685, 2696, 3118, 3370, 5392, 6236, 6740, 7795, 12472, 13480, 15590, 24944, 26960, 31180, 62360, 124720, 525383, 1050766, 2101532, 2626915, 4203064, 5253830, 8406128, 10507660, 21015320, 42030640]

約数ペア:

[(1, 42030640), (2, 21015320), (4, 10507660), (5, 8406128), (8, 5253830), (10, 4203064), (16, 2626915), (20, 2101532), (40, 1050766), (80, 525383), (337, 124720), (674, 62360), (1348, 31180), (1559, 26960), (1685, 24944), (2696, 15590), (3118, 13480), (3370, 12472), (5392, 7795), (6236, 6740)]