20176411280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{89657}}^1$

素因数の和:89796

約数の個数: 80

約数和(自身を含む): 49028580720

約数和(自身を除く): 28852169440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 290, 388, 464, 485, 580, 776, 970, 1160, 1552, 1940, 2320, 2813, 3880, 5626, 7760, 11252, 14065, 22504, 28130, 45008, 56260, 89657, 112520, 179314, 225040, 358628, 448285, 717256, 896570, 1434512, 1793140, 2600053, 3586280, 5200106, 7172560, 8696729, 10400212, 13000265, 17393458, 20800424, 26000530, 34786916, 41600848, 43483645, 52001060, 69573832, 86967290, 104002120, 139147664, 173934580, 208004240, 252205141, 347869160, 504410282, 695738320, 1008820564, 1261025705, 2017641128, 2522051410, 4035282256, 5044102820, 10088205640, 20176411280]

約数ペア:

[(1, 20176411280), (2, 10088205640), (4, 5044102820), (5, 4035282256), (8, 2522051410), (10, 2017641128), (16, 1261025705), (20, 1008820564), (29, 695738320), (40, 504410282), (58, 347869160), (80, 252205141), (97, 208004240), (116, 173934580), (145, 139147664), (194, 104002120), (232, 86967290), (290, 69573832), (388, 52001060), (464, 43483645), (485, 41600848), (580, 34786916), (776, 26000530), (970, 20800424), (1160, 17393458), (1552, 13000265), (1940, 10400212), (2320, 8696729), (2813, 7172560), (3880, 5200106), (5626, 3586280), (7760, 2600053), (11252, 1793140), (14065, 1434512), (22504, 896570), (28130, 717256), (45008, 448285), (56260, 358628), (89657, 225040), (112520, 179314)]