26799940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9781}}^1$

素因数の和:9927

約数の個数: 24

約数和(自身を含む): 56696472

約数和(自身を除く): 29896532

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9781, 19562, 39124, 48905, 97810, 195620, 1339997, 2679994, 5359988, 6699985, 13399970, 26799940]

約数ペア:

[(1, 26799940), (2, 13399970), (4, 6699985), (5, 5359988), (10, 2679994), (20, 1339997), (137, 195620), (274, 97810), (548, 48905), (685, 39124), (1370, 19562), (2740, 9781)]