15707525660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{40253}}^1$

素因数の和:40550

約数の個数: 48

約数和(自身を含む): 33475226400

約数和(自身を除く): 17767700740

約数列:

[1, 2, 4, 5, 10, 20, 109, 179, 218, 358, 436, 545, 716, 895, 1090, 1790, 2180, 3580, 19511, 39022, 40253, 78044, 80506, 97555, 161012, 195110, 201265, 390220, 402530, 805060, 4387577, 7205287, 8775154, 14410574, 17550308, 21937885, 28821148, 36026435, 43875770, 72052870, 87751540, 144105740, 785376283, 1570752566, 3141505132, 3926881415, 7853762830, 15707525660]

約数ペア:

[(1, 15707525660), (2, 7853762830), (4, 3926881415), (5, 3141505132), (10, 1570752566), (20, 785376283), (109, 144105740), (179, 87751540), (218, 72052870), (358, 43875770), (436, 36026435), (545, 28821148), (716, 21937885), (895, 17550308), (1090, 14410574), (1790, 8775154), (2180, 7205287), (3580, 4387577), (19511, 805060), (39022, 402530), (40253, 390220), (78044, 201265), (80506, 195110), (97555, 161012)]