1728395540

素因数分解:

$2^2\times 5^1\times {\mathrm{4153}}^1\times {\mathrm{20809}}^1$

素因数の和:24971

約数の個数: 24

約数和(自身を含む): 3630679080

約数和(自身を除く): 1902283540

約数列:

[1, 2, 4, 5, 10, 20, 4153, 8306, 16612, 20765, 20809, 41530, 41618, 83060, 83236, 104045, 208090, 416180, 86419777, 172839554, 345679108, 432098885, 864197770, 1728395540]

約数ペア:

[(1, 1728395540), (2, 864197770), (4, 432098885), (5, 345679108), (10, 172839554), (20, 86419777), (4153, 416180), (8306, 208090), (16612, 104045), (20765, 83236), (20809, 83060), (41530, 41618)]