40807516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12487}}^1$

素因数の和:12553

約数の個数: 24

約数和(自身を含む): 76926080

約数和(自身を除く): 36118564

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 12487, 24974, 49948, 237253, 474506, 536941, 949012, 1073882, 2147764, 10201879, 20403758, 40807516]

約数ペア:

[(1, 40807516), (2, 20403758), (4, 10201879), (19, 2147764), (38, 1073882), (43, 949012), (76, 536941), (86, 474506), (172, 237253), (817, 49948), (1634, 24974), (3268, 12487)]