645583160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{949387}}^1$

素因数の和:949415

約数の個数: 32

約数和(自身を含む): 1538008560

約数和(自身を除く): 892425400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 949387, 1898774, 3797548, 4746935, 7595096, 9493870, 16139579, 18987740, 32279158, 37975480, 64558316, 80697895, 129116632, 161395790, 322791580, 645583160]

約数ペア:

[(1, 645583160), (2, 322791580), (4, 161395790), (5, 129116632), (8, 80697895), (10, 64558316), (17, 37975480), (20, 32279158), (34, 18987740), (40, 16139579), (68, 9493870), (85, 7595096), (136, 4746935), (170, 3797548), (340, 1898774), (680, 949387)]