25366840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 33938120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 131, 188, 206, 235, 262, 376, 412, 470, 515, 524, 655, 824, 940, 1030, 1048, 1310, 1880, 2060, 2620, 4120, 4841, 5240, 6157, 9682, 12314, 13493, 19364, 24205, 24628, 26986, 30785, 38728, 48410, 49256, 53972, 61570, 67465, 96820, 107944, 123140, 134930, 193640, 246280, 269860, 539720, 634171, 1268342, 2536684, 3170855, 5073368, 6341710, 12683420, 25366840]

約数ペア:

[(1, 25366840), (2, 12683420), (4, 6341710), (5, 5073368), (8, 3170855), (10, 2536684), (20, 1268342), (40, 634171), (47, 539720), (94, 269860), (103, 246280), (131, 193640), (188, 134930), (206, 123140), (235, 107944), (262, 96820), (376, 67465), (412, 61570), (470, 53972), (515, 49256), (524, 48410), (655, 38728), (824, 30785), (940, 26986), (1030, 24628), (1048, 24205), (1310, 19364), (1880, 13493), (2060, 12314), (2620, 9682), (4120, 6157), (4841, 5240)]