25487440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2633}}^1$

素因数の和:2668

約数の個数: 60

約数和(自身を含む): 65159892

約数和(自身を除く): 39672452

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2633, 4840, 5266, 9680, 10532, 13165, 21064, 26330, 28963, 42128, 52660, 57926, 105320, 115852, 144815, 210640, 231704, 289630, 318593, 463408, 579260, 637186, 1158520, 1274372, 1592965, 2317040, 2548744, 3185930, 5097488, 6371860, 12743720, 25487440]

約数ペア:

[(1, 25487440), (2, 12743720), (4, 6371860), (5, 5097488), (8, 3185930), (10, 2548744), (11, 2317040), (16, 1592965), (20, 1274372), (22, 1158520), (40, 637186), (44, 579260), (55, 463408), (80, 318593), (88, 289630), (110, 231704), (121, 210640), (176, 144815), (220, 115852), (242, 105320), (440, 57926), (484, 52660), (605, 42128), (880, 28963), (968, 26330), (1210, 21064), (1936, 13165), (2420, 10532), (2633, 9680), (4840, 5266)]