25383760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 62067456

約数和(自身を除く): 36683696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 157, 172, 188, 215, 235, 314, 344, 376, 430, 470, 628, 688, 752, 785, 860, 940, 1256, 1570, 1720, 1880, 2021, 2512, 3140, 3440, 3760, 4042, 6280, 6751, 7379, 8084, 10105, 12560, 13502, 14758, 16168, 20210, 27004, 29516, 32336, 33755, 36895, 40420, 54008, 59032, 67510, 73790, 80840, 108016, 118064, 135020, 147580, 161680, 270040, 295160, 317297, 540080, 590320, 634594, 1269188, 1586485, 2538376, 3172970, 5076752, 6345940, 12691880, 25383760]

約数ペア:

[(1, 25383760), (2, 12691880), (4, 6345940), (5, 5076752), (8, 3172970), (10, 2538376), (16, 1586485), (20, 1269188), (40, 634594), (43, 590320), (47, 540080), (80, 317297), (86, 295160), (94, 270040), (157, 161680), (172, 147580), (188, 135020), (215, 118064), (235, 108016), (314, 80840), (344, 73790), (376, 67510), (430, 59032), (470, 54008), (628, 40420), (688, 36895), (752, 33755), (785, 32336), (860, 29516), (940, 27004), (1256, 20210), (1570, 16168), (1720, 14758), (1880, 13502), (2021, 12560), (2512, 10105), (3140, 8084), (3440, 7379), (3760, 6751), (4042, 6280)]