130352720

素因数分解:

$2^4\times 5^1\times {\mathrm{1629409}}^1$

素因数の和:1629422

約数の個数: 20

約数和(自身を含む): 303070260

約数和(自身を除く): 172717540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1629409, 3258818, 6517636, 8147045, 13035272, 16294090, 26070544, 32588180, 65176360, 130352720]

約数ペア:

[(1, 130352720), (2, 65176360), (4, 32588180), (5, 26070544), (8, 16294090), (10, 13035272), (16, 8147045), (20, 6517636), (40, 3258818), (80, 1629409)]