89544580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 192283056

約数和(自身を除く): 102738476

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 457, 485, 505, 914, 970, 1010, 1828, 1940, 2020, 2285, 4570, 9140, 9797, 19594, 39188, 44329, 46157, 48985, 88658, 92314, 97970, 177316, 184628, 195940, 221645, 230785, 443290, 461570, 886580, 923140, 4477229, 8954458, 17908916, 22386145, 44772290, 89544580]

約数ペア:

[(1, 89544580), (2, 44772290), (4, 22386145), (5, 17908916), (10, 8954458), (20, 4477229), (97, 923140), (101, 886580), (194, 461570), (202, 443290), (388, 230785), (404, 221645), (457, 195940), (485, 184628), (505, 177316), (914, 97970), (970, 92314), (1010, 88658), (1828, 48985), (1940, 46157), (2020, 44329), (2285, 39188), (4570, 19594), (9140, 9797)]