31986520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 76479840

約数和(自身を除く): 44493320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2767, 2890, 5534, 5780, 11068, 11560, 13835, 22136, 27670, 47039, 55340, 94078, 110680, 188156, 235195, 376312, 470390, 799663, 940780, 1599326, 1881560, 3198652, 3998315, 6397304, 7996630, 15993260, 31986520]

約数ペア:

[(1, 31986520), (2, 15993260), (4, 7996630), (5, 6397304), (8, 3998315), (10, 3198652), (17, 1881560), (20, 1599326), (34, 940780), (40, 799663), (68, 470390), (85, 376312), (136, 235195), (170, 188156), (289, 110680), (340, 94078), (578, 55340), (680, 47039), (1156, 27670), (1445, 22136), (2312, 13835), (2767, 11560), (2890, 11068), (5534, 5780)]