1640410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 16

約数和(自身を含む): 3025512

約数和(自身を除く): 1385102

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 4001, 8002, 20005, 40010, 164041, 328082, 820205, 1640410]

約数ペア:

[(1, 1640410), (2, 820205), (5, 328082), (10, 164041), (41, 40010), (82, 20005), (205, 8002), (410, 4001)]