82780210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 155390400

約数和(自身を除く): 72610190

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 1310, 2179, 3799, 4358, 7598, 10895, 18995, 21790, 37990, 63191, 126382, 285449, 315955, 570898, 631910, 1427245, 2854490, 8278021, 16556042, 41390105, 82780210]

約数ペア:

[(1, 82780210), (2, 41390105), (5, 16556042), (10, 8278021), (29, 2854490), (58, 1427245), (131, 631910), (145, 570898), (262, 315955), (290, 285449), (655, 126382), (1310, 63191), (2179, 37990), (3799, 21790), (4358, 18995), (7598, 10895)]