15115280

素因数分解:

$2^4\times 5^1\times {\mathrm{188941}}^1$

素因数の和:188954

約数の個数: 20

約数和(自身を含む): 35143212

約数和(自身を除く): 20027932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 188941, 377882, 755764, 944705, 1511528, 1889410, 3023056, 3778820, 7557640, 15115280]

約数ペア:

[(1, 15115280), (2, 7557640), (4, 3778820), (5, 3023056), (8, 1889410), (10, 1511528), (16, 944705), (20, 755764), (40, 377882), (80, 188941)]