90339640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 214876800

約数和(自身を除く): 124537160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1657, 1880, 2726, 3314, 5452, 6628, 6815, 8285, 10904, 13256, 13630, 16570, 27260, 33140, 48053, 54520, 66280, 77879, 96106, 155758, 192212, 240265, 311516, 384424, 389395, 480530, 623032, 778790, 961060, 1557580, 1922120, 2258491, 3115160, 4516982, 9033964, 11292455, 18067928, 22584910, 45169820, 90339640]

約数ペア:

[(1, 90339640), (2, 45169820), (4, 22584910), (5, 18067928), (8, 11292455), (10, 9033964), (20, 4516982), (29, 3115160), (40, 2258491), (47, 1922120), (58, 1557580), (94, 961060), (116, 778790), (145, 623032), (188, 480530), (232, 389395), (235, 384424), (290, 311516), (376, 240265), (470, 192212), (580, 155758), (940, 96106), (1160, 77879), (1363, 66280), (1657, 54520), (1880, 48053), (2726, 33140), (3314, 27260), (5452, 16570), (6628, 13630), (6815, 13256), (8285, 10904)]