26167720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 36040280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 449, 470, 620, 898, 940, 1240, 1457, 1796, 1880, 2245, 2914, 3592, 4490, 5828, 7285, 8980, 11656, 13919, 14570, 17960, 21103, 27838, 29140, 42206, 55676, 58280, 69595, 84412, 105515, 111352, 139190, 168824, 211030, 278380, 422060, 556760, 654193, 844120, 1308386, 2616772, 3270965, 5233544, 6541930, 13083860, 26167720]

約数ペア:

[(1, 26167720), (2, 13083860), (4, 6541930), (5, 5233544), (8, 3270965), (10, 2616772), (20, 1308386), (31, 844120), (40, 654193), (47, 556760), (62, 422060), (94, 278380), (124, 211030), (155, 168824), (188, 139190), (235, 111352), (248, 105515), (310, 84412), (376, 69595), (449, 58280), (470, 55676), (620, 42206), (898, 29140), (940, 27838), (1240, 21103), (1457, 17960), (1796, 14570), (1880, 13919), (2245, 11656), (2914, 8980), (3592, 7285), (4490, 5828)]