54400375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 72072000

約数和(自身を除く): 17671625

約数列:

[1, 5, 25, 29, 43, 125, 145, 215, 349, 725, 1075, 1247, 1745, 3625, 5375, 6235, 8725, 10121, 15007, 31175, 43625, 50605, 75035, 155875, 253025, 375175, 435203, 1265125, 1875875, 2176015, 10880075, 54400375]

約数ペア:

[(1, 54400375), (5, 10880075), (25, 2176015), (29, 1875875), (43, 1265125), (125, 435203), (145, 375175), (215, 253025), (349, 155875), (725, 75035), (1075, 50605), (1247, 43625), (1745, 31175), (3625, 15007), (5375, 10121), (6235, 8725)]