25916480

素因数分解:

$2^6\times 5^1\times {\mathrm{80989}}^1$

素因数の和:81006

約数の個数: 28

約数和(自身を含む): 61714380

約数和(自身を除く): 35797900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 80989, 161978, 323956, 404945, 647912, 809890, 1295824, 1619780, 2591648, 3239560, 5183296, 6479120, 12958240, 25916480]

約数ペア:

[(1, 25916480), (2, 12958240), (4, 6479120), (5, 5183296), (8, 3239560), (10, 2591648), (16, 1619780), (20, 1295824), (32, 809890), (40, 647912), (64, 404945), (80, 323956), (160, 161978), (320, 80989)]