25705240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 65499840

約数和(自身を除く): 39794600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 113, 121, 188, 220, 226, 235, 242, 376, 440, 452, 470, 484, 517, 565, 605, 904, 940, 968, 1034, 1130, 1210, 1243, 1880, 2068, 2260, 2420, 2486, 2585, 4136, 4520, 4840, 4972, 5170, 5311, 5687, 6215, 9944, 10340, 10622, 11374, 12430, 13673, 20680, 21244, 22748, 24860, 26555, 27346, 28435, 42488, 45496, 49720, 53110, 54692, 56870, 58421, 68365, 106220, 109384, 113740, 116842, 136730, 212440, 227480, 233684, 273460, 292105, 467368, 546920, 584210, 642631, 1168420, 1285262, 2336840, 2570524, 3213155, 5141048, 6426310, 12852620, 25705240]

約数ペア:

[(1, 25705240), (2, 12852620), (4, 6426310), (5, 5141048), (8, 3213155), (10, 2570524), (11, 2336840), (20, 1285262), (22, 1168420), (40, 642631), (44, 584210), (47, 546920), (55, 467368), (88, 292105), (94, 273460), (110, 233684), (113, 227480), (121, 212440), (188, 136730), (220, 116842), (226, 113740), (235, 109384), (242, 106220), (376, 68365), (440, 58421), (452, 56870), (470, 54692), (484, 53110), (517, 49720), (565, 45496), (605, 42488), (904, 28435), (940, 27346), (968, 26555), (1034, 24860), (1130, 22748), (1210, 21244), (1243, 20680), (1880, 13673), (2068, 12430), (2260, 11374), (2420, 10622), (2486, 10340), (2585, 9944), (4136, 6215), (4520, 5687), (4840, 5311), (4972, 5170)]