139373120

素因数分解:

$2^6\times 5^1\times {\mathrm{435541}}^1$

素因数の和:435558

約数の個数: 28

約数和(自身を含む): 331883004

約数和(自身を除く): 192509884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435541, 871082, 1742164, 2177705, 3484328, 4355410, 6968656, 8710820, 13937312, 17421640, 27874624, 34843280, 69686560, 139373120]

約数ペア:

[(1, 139373120), (2, 69686560), (4, 34843280), (5, 27874624), (8, 17421640), (10, 13937312), (16, 8710820), (20, 6968656), (32, 4355410), (40, 3484328), (64, 2177705), (80, 1742164), (160, 871082), (320, 435541)]