42404840

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2027}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 95640480

約数和(自身を除く): 53235640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2027, 2092, 2615, 4054, 4184, 5230, 8108, 10135, 10460, 16216, 20270, 20920, 40540, 81080, 1060121, 2120242, 4240484, 5300605, 8480968, 10601210, 21202420, 42404840]

約数ペア:

[(1, 42404840), (2, 21202420), (4, 10601210), (5, 8480968), (8, 5300605), (10, 4240484), (20, 2120242), (40, 1060121), (523, 81080), (1046, 40540), (2027, 20920), (2092, 20270), (2615, 16216), (4054, 10460), (4184, 10135), (5230, 8108)]