80924375

素因数分解:

$5^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 118087200

約数和(自身を除く): 37162825

約数列:

[1, 5, 7, 25, 35, 53, 125, 175, 265, 349, 371, 625, 875, 1325, 1745, 1855, 2443, 4375, 6625, 8725, 9275, 12215, 18497, 33125, 43625, 46375, 61075, 92485, 129479, 218125, 231875, 305375, 462425, 647395, 1526875, 2312125, 3236975, 11560625, 16184875, 80924375]

約数ペア:

[(1, 80924375), (5, 16184875), (7, 11560625), (25, 3236975), (35, 2312125), (53, 1526875), (125, 647395), (175, 462425), (265, 305375), (349, 231875), (371, 218125), (625, 129479), (875, 92485), (1325, 61075), (1745, 46375), (1855, 43625), (2443, 33125), (4375, 18497), (6625, 12215), (8725, 9275)]