127894520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5233}}^1$

素因数の和:5304

約数の個数: 64

約数和(自身を含む): 316552320

約数和(自身を除く): 188657800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 5233, 6110, 10466, 12220, 20932, 24440, 26165, 41864, 52330, 68029, 104660, 136058, 209320, 245951, 272116, 340145, 491902, 544232, 680290, 983804, 1229755, 1360580, 1967608, 2459510, 2721160, 3197363, 4919020, 6394726, 9838040, 12789452, 15986815, 25578904, 31973630, 63947260, 127894520]

約数ペア:

[(1, 127894520), (2, 63947260), (4, 31973630), (5, 25578904), (8, 15986815), (10, 12789452), (13, 9838040), (20, 6394726), (26, 4919020), (40, 3197363), (47, 2721160), (52, 2459510), (65, 1967608), (94, 1360580), (104, 1229755), (130, 983804), (188, 680290), (235, 544232), (260, 491902), (376, 340145), (470, 272116), (520, 245951), (611, 209320), (940, 136058), (1222, 104660), (1880, 68029), (2444, 52330), (3055, 41864), (4888, 26165), (5233, 24440), (6110, 20932), (10466, 12220)]