39579880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^2$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 90872460

約数和(自身を除く): 51292580

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 101, 194, 202, 388, 404, 485, 505, 776, 808, 970, 1010, 1940, 2020, 3880, 4040, 9797, 10201, 19594, 20402, 39188, 40804, 48985, 51005, 78376, 81608, 97970, 102010, 195940, 204020, 391880, 408040, 989497, 1978994, 3957988, 4947485, 7915976, 9894970, 19789940, 39579880]

約数ペア:

[(1, 39579880), (2, 19789940), (4, 9894970), (5, 7915976), (8, 4947485), (10, 3957988), (20, 1978994), (40, 989497), (97, 408040), (101, 391880), (194, 204020), (202, 195940), (388, 102010), (404, 97970), (485, 81608), (505, 78376), (776, 51005), (808, 48985), (970, 40804), (1010, 39188), (1940, 20402), (2020, 19594), (3880, 10201), (4040, 9797)]