440151520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21661}}^1$

素因数の和:21803

約数の個数: 48

約数和(自身を含む): 1048094208

約数和(自身を除く): 607942688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 21661, 43322, 86644, 108305, 173288, 216610, 346576, 433220, 693152, 866440, 1732880, 2750947, 3465760, 5501894, 11003788, 13754735, 22007576, 27509470, 44015152, 55018940, 88030304, 110037880, 220075760, 440151520]

約数ペア:

[(1, 440151520), (2, 220075760), (4, 110037880), (5, 88030304), (8, 55018940), (10, 44015152), (16, 27509470), (20, 22007576), (32, 13754735), (40, 11003788), (80, 5501894), (127, 3465760), (160, 2750947), (254, 1732880), (508, 866440), (635, 693152), (1016, 433220), (1270, 346576), (2032, 216610), (2540, 173288), (4064, 108305), (5080, 86644), (10160, 43322), (20320, 21661)]