25885730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 54607932

約数和(自身を除く): 28722202

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 169, 170, 221, 265, 289, 338, 442, 530, 578, 689, 845, 901, 1105, 1378, 1445, 1690, 1802, 2210, 2873, 2890, 3445, 3757, 4505, 5746, 6890, 7514, 8957, 9010, 11713, 14365, 15317, 17914, 18785, 23426, 28730, 30634, 37570, 44785, 48841, 58565, 76585, 89570, 97682, 117130, 152269, 153170, 199121, 244205, 304538, 398242, 488410, 761345, 995605, 1522690, 1991210, 2588573, 5177146, 12942865, 25885730]

約数ペア:

[(1, 25885730), (2, 12942865), (5, 5177146), (10, 2588573), (13, 1991210), (17, 1522690), (26, 995605), (34, 761345), (53, 488410), (65, 398242), (85, 304538), (106, 244205), (130, 199121), (169, 153170), (170, 152269), (221, 117130), (265, 97682), (289, 89570), (338, 76585), (442, 58565), (530, 48841), (578, 44785), (689, 37570), (845, 30634), (901, 28730), (1105, 23426), (1378, 18785), (1445, 17914), (1690, 15317), (1802, 14365), (2210, 11713), (2873, 9010), (2890, 8957), (3445, 7514), (3757, 6890), (4505, 5746)]