164782010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{40289}}^1$

素因数の和:40705

約数の個数: 16

約数和(自身を含む): 297340200

約数和(自身を除く): 132558190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 40289, 80578, 201445, 402890, 16478201, 32956402, 82391005, 164782010]

約数ペア:

[(1, 164782010), (2, 82391005), (5, 32956402), (10, 16478201), (409, 402890), (818, 201445), (2045, 80578), (4090, 40289)]