1552203440

素因数分解:

$2^4\times 5^1\times {\mathrm{19402543}}^1$

素因数の和:19402556

約数の個数: 20

約数和(自身を含む): 3608873184

約数和(自身を除く): 2056669744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19402543, 38805086, 77610172, 97012715, 155220344, 194025430, 310440688, 388050860, 776101720, 1552203440]

約数ペア:

[(1, 1552203440), (2, 776101720), (4, 388050860), (5, 310440688), (8, 194025430), (10, 155220344), (16, 97012715), (20, 77610172), (40, 38805086), (80, 19402543)]