1640883344

素因数分解:

$2^4\times {\mathrm{4231}}^1\times {\mathrm{24239}}^1$

素因数の和:28478

約数の個数: 20

約数和(自身を含む): 3180094080

約数和(自身を除く): 1539210736

約数列:

[1, 2, 4, 8, 16, 4231, 8462, 16924, 24239, 33848, 48478, 67696, 96956, 193912, 387824, 102555209, 205110418, 410220836, 820441672, 1640883344]

約数ペア:

[(1, 1640883344), (2, 820441672), (4, 410220836), (8, 205110418), (16, 102555209), (4231, 387824), (8462, 193912), (16924, 96956), (24239, 67696), (33848, 48478)]