13434920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 31648320

約数和(自身を除く): 18213400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 107, 146, 172, 214, 215, 292, 344, 365, 428, 430, 535, 584, 730, 856, 860, 1070, 1460, 1720, 2140, 2920, 3139, 4280, 4601, 6278, 7811, 9202, 12556, 15622, 15695, 18404, 23005, 25112, 31244, 31390, 36808, 39055, 46010, 62488, 62780, 78110, 92020, 125560, 156220, 184040, 312440, 335873, 671746, 1343492, 1679365, 2686984, 3358730, 6717460, 13434920]

約数ペア:

[(1, 13434920), (2, 6717460), (4, 3358730), (5, 2686984), (8, 1679365), (10, 1343492), (20, 671746), (40, 335873), (43, 312440), (73, 184040), (86, 156220), (107, 125560), (146, 92020), (172, 78110), (214, 62780), (215, 62488), (292, 46010), (344, 39055), (365, 36808), (428, 31390), (430, 31244), (535, 25112), (584, 23005), (730, 18404), (856, 15695), (860, 15622), (1070, 12556), (1460, 9202), (1720, 7811), (2140, 6278), (2920, 4601), (3139, 4280)]