26064280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 65746080

約数和(自身を除く): 39681800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1601, 1628, 2035, 3202, 3256, 4070, 6404, 8005, 8140, 12808, 16010, 16280, 17611, 32020, 35222, 59237, 64040, 70444, 88055, 118474, 140888, 176110, 236948, 296185, 352220, 473896, 592370, 651607, 704440, 1184740, 1303214, 2369480, 2606428, 3258035, 5212856, 6516070, 13032140, 26064280]

約数ペア:

[(1, 26064280), (2, 13032140), (4, 6516070), (5, 5212856), (8, 3258035), (10, 2606428), (11, 2369480), (20, 1303214), (22, 1184740), (37, 704440), (40, 651607), (44, 592370), (55, 473896), (74, 352220), (88, 296185), (110, 236948), (148, 176110), (185, 140888), (220, 118474), (296, 88055), (370, 70444), (407, 64040), (440, 59237), (740, 35222), (814, 32020), (1480, 17611), (1601, 16280), (1628, 16010), (2035, 12808), (3202, 8140), (3256, 8005), (4070, 6404)]