102809480

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2647}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 231647040

約数和(自身を除く): 128837560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 2647, 3884, 4855, 5294, 7768, 9710, 10588, 13235, 19420, 21176, 26470, 38840, 52940, 105880, 2570237, 5140474, 10280948, 12851185, 20561896, 25702370, 51404740, 102809480]

約数ペア:

[(1, 102809480), (2, 51404740), (4, 25702370), (5, 20561896), (8, 12851185), (10, 10280948), (20, 5140474), (40, 2570237), (971, 105880), (1942, 52940), (2647, 38840), (3884, 26470), (4855, 21176), (5294, 19420), (7768, 13235), (9710, 10588)]