64731580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190387}}^1$

素因数の和:190413

約数の個数: 24

約数和(自身を含む): 143933328

約数和(自身を除く): 79201748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190387, 380774, 761548, 951935, 1903870, 3236579, 3807740, 6473158, 12946316, 16182895, 32365790, 64731580]

約数ペア:

[(1, 64731580), (2, 32365790), (4, 16182895), (5, 12946316), (10, 6473158), (17, 3807740), (20, 3236579), (34, 1903870), (68, 951935), (85, 761548), (170, 380774), (340, 190387)]