25670920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 64592640

約数和(自身を除く): 38921720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1423, 1640, 1804, 2255, 2846, 3608, 4510, 5692, 7115, 9020, 11384, 14230, 15653, 18040, 28460, 31306, 56920, 58343, 62612, 78265, 116686, 125224, 156530, 233372, 291715, 313060, 466744, 583430, 626120, 641773, 1166860, 1283546, 2333720, 2567092, 3208865, 5134184, 6417730, 12835460, 25670920]

約数ペア:

[(1, 25670920), (2, 12835460), (4, 6417730), (5, 5134184), (8, 3208865), (10, 2567092), (11, 2333720), (20, 1283546), (22, 1166860), (40, 641773), (41, 626120), (44, 583430), (55, 466744), (82, 313060), (88, 291715), (110, 233372), (164, 156530), (205, 125224), (220, 116686), (328, 78265), (410, 62612), (440, 58343), (451, 56920), (820, 31306), (902, 28460), (1423, 18040), (1640, 15653), (1804, 14230), (2255, 11384), (2846, 9020), (3608, 7115), (4510, 5692)]