25866820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 62955648

約数和(自身を除く): 37088828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2531, 2555, 5062, 5110, 10124, 10220, 12655, 17717, 25310, 35434, 50620, 70868, 88585, 177170, 184763, 354340, 369526, 739052, 923815, 1293341, 1847630, 2586682, 3695260, 5173364, 6466705, 12933410, 25866820]

約数ペア:

[(1, 25866820), (2, 12933410), (4, 6466705), (5, 5173364), (7, 3695260), (10, 2586682), (14, 1847630), (20, 1293341), (28, 923815), (35, 739052), (70, 369526), (73, 354340), (140, 184763), (146, 177170), (292, 88585), (365, 70868), (511, 50620), (730, 35434), (1022, 25310), (1460, 17717), (2044, 12655), (2531, 10220), (2555, 10124), (5062, 5110)]