85170040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 196992000

約数和(自身を除く): 111821960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 151, 236, 239, 295, 302, 472, 478, 590, 604, 755, 956, 1180, 1195, 1208, 1510, 1912, 2360, 2390, 3020, 4780, 6040, 8909, 9560, 14101, 17818, 28202, 35636, 36089, 44545, 56404, 70505, 71272, 72178, 89090, 112808, 141010, 144356, 178180, 180445, 282020, 288712, 356360, 360890, 564040, 721780, 1443560, 2129251, 4258502, 8517004, 10646255, 17034008, 21292510, 42585020, 85170040]

約数ペア:

[(1, 85170040), (2, 42585020), (4, 21292510), (5, 17034008), (8, 10646255), (10, 8517004), (20, 4258502), (40, 2129251), (59, 1443560), (118, 721780), (151, 564040), (236, 360890), (239, 356360), (295, 288712), (302, 282020), (472, 180445), (478, 178180), (590, 144356), (604, 141010), (755, 112808), (956, 89090), (1180, 72178), (1195, 71272), (1208, 70505), (1510, 56404), (1912, 44545), (2360, 36089), (2390, 35636), (3020, 28202), (4780, 17818), (6040, 14101), (8909, 9560)]