1640259730

素因数分解:

$2^1\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{161921}}^1$

素因数の和:162941

約数の個数: 16

約数和(自身を含む): 2955400344

約数和(自身を除く): 1315140614

約数列:

[1, 2, 5, 10, 1013, 2026, 5065, 10130, 161921, 323842, 809605, 1619210, 164025973, 328051946, 820129865, 1640259730]

約数ペア:

[(1, 1640259730), (2, 820129865), (5, 328051946), (10, 164025973), (1013, 1619210), (2026, 809605), (5065, 323842), (10130, 161921)]