210352720

素因数分解:

$2^4\times 5^1\times {\mathrm{2629409}}^1$

素因数の和:2629422

約数の個数: 20

約数和(自身を含む): 489070260

約数和(自身を除く): 278717540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2629409, 5258818, 10517636, 13147045, 21035272, 26294090, 42070544, 52588180, 105176360, 210352720]

約数ペア:

[(1, 210352720), (2, 105176360), (4, 52588180), (5, 42070544), (8, 26294090), (10, 21035272), (16, 13147045), (20, 10517636), (40, 5258818), (80, 2629409)]