68906440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101333}}^1$

素因数の和:101361

約数の個数: 32

約数和(自身を含む): 164161080

約数和(自身を除く): 95254640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 101333, 202666, 405332, 506665, 810664, 1013330, 1722661, 2026660, 3445322, 4053320, 6890644, 8613305, 13781288, 17226610, 34453220, 68906440]

約数ペア:

[(1, 68906440), (2, 34453220), (4, 17226610), (5, 13781288), (8, 8613305), (10, 6890644), (17, 4053320), (20, 3445322), (34, 2026660), (40, 1722661), (68, 1013330), (85, 810664), (136, 506665), (170, 405332), (340, 202666), (680, 101333)]