640315030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3766559}}^1$

素因数の和:3766583

約数の個数: 16

約数和(自身を含む): 1220365440

約数和(自身を除く): 580050410

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3766559, 7533118, 18832795, 37665590, 64031503, 128063006, 320157515, 640315030]

約数ペア:

[(1, 640315030), (2, 320157515), (5, 128063006), (10, 64031503), (17, 37665590), (34, 18832795), (85, 7533118), (170, 3766559)]