139958960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102911}}^1$

素因数の和:102941

約数の個数: 40

約数和(自身を含む): 344549376

約数和(自身を除く): 204590416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 102911, 205822, 411644, 514555, 823288, 1029110, 1646576, 1749487, 2058220, 3498974, 4116440, 6997948, 8232880, 8747435, 13995896, 17494870, 27991792, 34989740, 69979480, 139958960]

約数ペア:

[(1, 139958960), (2, 69979480), (4, 34989740), (5, 27991792), (8, 17494870), (10, 13995896), (16, 8747435), (17, 8232880), (20, 6997948), (34, 4116440), (40, 3498974), (68, 2058220), (80, 1749487), (85, 1646576), (136, 1029110), (170, 823288), (272, 514555), (340, 411644), (680, 205822), (1360, 102911)]