82809040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60889}}^1$

素因数の和:60919

約数の個数: 40

約数和(自身を含む): 203859720

約数和(自身を除く): 121050680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 60889, 121778, 243556, 304445, 487112, 608890, 974224, 1035113, 1217780, 2070226, 2435560, 4140452, 4871120, 5175565, 8280904, 10351130, 16561808, 20702260, 41404520, 82809040]

約数ペア:

[(1, 82809040), (2, 41404520), (4, 20702260), (5, 16561808), (8, 10351130), (10, 8280904), (16, 5175565), (17, 4871120), (20, 4140452), (34, 2435560), (40, 2070226), (68, 1217780), (80, 1035113), (85, 974224), (136, 608890), (170, 487112), (272, 304445), (340, 243556), (680, 121778), (1360, 60889)]