25457080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 38409800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1231, 1880, 2068, 2462, 2585, 4136, 4924, 5170, 6155, 9848, 10340, 12310, 13541, 20680, 24620, 27082, 49240, 54164, 57857, 67705, 108328, 115714, 135410, 231428, 270820, 289285, 462856, 541640, 578570, 636427, 1157140, 1272854, 2314280, 2545708, 3182135, 5091416, 6364270, 12728540, 25457080]

約数ペア:

[(1, 25457080), (2, 12728540), (4, 6364270), (5, 5091416), (8, 3182135), (10, 2545708), (11, 2314280), (20, 1272854), (22, 1157140), (40, 636427), (44, 578570), (47, 541640), (55, 462856), (88, 289285), (94, 270820), (110, 231428), (188, 135410), (220, 115714), (235, 108328), (376, 67705), (440, 57857), (470, 54164), (517, 49240), (940, 27082), (1034, 24620), (1231, 20680), (1880, 13541), (2068, 12310), (2462, 10340), (2585, 9848), (4136, 6155), (4924, 5170)]