85030520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 201830400

約数和(自身を除く): 116799880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1459, 1880, 2914, 2918, 5828, 5836, 7285, 7295, 11656, 11672, 14570, 14590, 29140, 29180, 45229, 58280, 58360, 68573, 90458, 137146, 180916, 226145, 274292, 342865, 361832, 452290, 548584, 685730, 904580, 1371460, 1809160, 2125763, 2742920, 4251526, 8503052, 10628815, 17006104, 21257630, 42515260, 85030520]

約数ペア:

[(1, 85030520), (2, 42515260), (4, 21257630), (5, 17006104), (8, 10628815), (10, 8503052), (20, 4251526), (31, 2742920), (40, 2125763), (47, 1809160), (62, 1371460), (94, 904580), (124, 685730), (155, 548584), (188, 452290), (235, 361832), (248, 342865), (310, 274292), (376, 226145), (470, 180916), (620, 137146), (940, 90458), (1240, 68573), (1457, 58360), (1459, 58280), (1880, 45229), (2914, 29180), (2918, 29140), (5828, 14590), (5836, 14570), (7285, 11672), (7295, 11656)]