25536040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 62360910

約数和(自身を除く): 36824870

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 289, 340, 376, 470, 578, 680, 799, 940, 1156, 1445, 1598, 1880, 2209, 2312, 2890, 3196, 3995, 4418, 5780, 6392, 7990, 8836, 11045, 11560, 13583, 15980, 17672, 22090, 27166, 31960, 37553, 44180, 54332, 67915, 75106, 88360, 108664, 135830, 150212, 187765, 271660, 300424, 375530, 543320, 638401, 751060, 1276802, 1502120, 2553604, 3192005, 5107208, 6384010, 12768020, 25536040]

約数ペア:

[(1, 25536040), (2, 12768020), (4, 6384010), (5, 5107208), (8, 3192005), (10, 2553604), (17, 1502120), (20, 1276802), (34, 751060), (40, 638401), (47, 543320), (68, 375530), (85, 300424), (94, 271660), (136, 187765), (170, 150212), (188, 135830), (235, 108664), (289, 88360), (340, 75106), (376, 67915), (470, 54332), (578, 44180), (680, 37553), (799, 31960), (940, 27166), (1156, 22090), (1445, 17672), (1598, 15980), (1880, 13583), (2209, 11560), (2312, 11045), (2890, 8836), (3196, 7990), (3995, 6392), (4418, 5780)]