25675280

素因数分解:

$2^4\times 5^1\times {\mathrm{320941}}^1$

素因数の和:320954

約数の個数: 20

約数和(自身を含む): 59695212

約数和(自身を除く): 34019932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320941, 641882, 1283764, 1604705, 2567528, 3209410, 5135056, 6418820, 12837640, 25675280]

約数ペア:

[(1, 25675280), (2, 12837640), (4, 6418820), (5, 5135056), (8, 3209410), (10, 2567528), (16, 1604705), (20, 1283764), (40, 641882), (80, 320941)]