12490959920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{49741}}^1$

素因数の和:49870

約数の個数: 80

約数和(自身を含む): 30124551072

約数和(自身を除く): 17633591152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 584, 688, 730, 860, 1168, 1460, 1720, 2920, 3139, 3440, 5840, 6278, 12556, 15695, 25112, 31390, 49741, 50224, 62780, 99482, 125560, 198964, 248705, 251120, 397928, 497410, 795856, 994820, 1989640, 2138863, 3631093, 3979280, 4277726, 7262186, 8555452, 10694315, 14524372, 17110904, 18155465, 21388630, 29048744, 34221808, 36310930, 42777260, 58097488, 72621860, 85554520, 145243720, 156136999, 171109040, 290487440, 312273998, 624547996, 780684995, 1249095992, 1561369990, 2498191984, 3122739980, 6245479960, 12490959920]

約数ペア:

[(1, 12490959920), (2, 6245479960), (4, 3122739980), (5, 2498191984), (8, 1561369990), (10, 1249095992), (16, 780684995), (20, 624547996), (40, 312273998), (43, 290487440), (73, 171109040), (80, 156136999), (86, 145243720), (146, 85554520), (172, 72621860), (215, 58097488), (292, 42777260), (344, 36310930), (365, 34221808), (430, 29048744), (584, 21388630), (688, 18155465), (730, 17110904), (860, 14524372), (1168, 10694315), (1460, 8555452), (1720, 7262186), (2920, 4277726), (3139, 3979280), (3440, 3631093), (5840, 2138863), (6278, 1989640), (12556, 994820), (15695, 795856), (25112, 497410), (31390, 397928), (49741, 251120), (50224, 248705), (62780, 198964), (99482, 125560)]