25956320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12479}}^1$

素因数の和:12507

約数の個数: 48

約数和(自身を含む): 66044160

約数和(自身を除く): 40087840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12479, 24958, 49916, 62395, 99832, 124790, 162227, 199664, 249580, 324454, 399328, 499160, 648908, 811135, 998320, 1297816, 1622270, 1996640, 2595632, 3244540, 5191264, 6489080, 12978160, 25956320]

約数ペア:

[(1, 25956320), (2, 12978160), (4, 6489080), (5, 5191264), (8, 3244540), (10, 2595632), (13, 1996640), (16, 1622270), (20, 1297816), (26, 998320), (32, 811135), (40, 648908), (52, 499160), (65, 399328), (80, 324454), (104, 249580), (130, 199664), (160, 162227), (208, 124790), (260, 99832), (416, 62395), (520, 49916), (1040, 24958), (2080, 12479)]