171550520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{42463}}^1$

素因数の和:42575

約数の個数: 32

約数和(自身を含む): 389819520

約数和(自身を除く): 218269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 42463, 84926, 169852, 212315, 339704, 424630, 849260, 1698520, 4288763, 8577526, 17155052, 21443815, 34310104, 42887630, 85775260, 171550520]

約数ペア:

[(1, 171550520), (2, 85775260), (4, 42887630), (5, 34310104), (8, 21443815), (10, 17155052), (20, 8577526), (40, 4288763), (101, 1698520), (202, 849260), (404, 424630), (505, 339704), (808, 212315), (1010, 169852), (2020, 84926), (4040, 42463)]