10969940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 23950080

約数和(自身を除く): 12980140

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 131, 158, 212, 262, 265, 316, 395, 524, 530, 655, 790, 1060, 1310, 1580, 2620, 4187, 6943, 8374, 10349, 13886, 16748, 20698, 20935, 27772, 34715, 41396, 41870, 51745, 69430, 83740, 103490, 138860, 206980, 548497, 1096994, 2193988, 2742485, 5484970, 10969940]

約数ペア:

[(1, 10969940), (2, 5484970), (4, 2742485), (5, 2193988), (10, 1096994), (20, 548497), (53, 206980), (79, 138860), (106, 103490), (131, 83740), (158, 69430), (212, 51745), (262, 41870), (265, 41396), (316, 34715), (395, 27772), (524, 20935), (530, 20698), (655, 16748), (790, 13886), (1060, 10349), (1310, 8374), (1580, 6943), (2620, 4187)]