26869840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 65406528

約数和(自身を除く): 38536688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 107, 146, 172, 214, 215, 292, 344, 365, 428, 430, 535, 584, 688, 730, 856, 860, 1070, 1168, 1460, 1712, 1720, 2140, 2920, 3139, 3440, 4280, 4601, 5840, 6278, 7811, 8560, 9202, 12556, 15622, 15695, 18404, 23005, 25112, 31244, 31390, 36808, 39055, 46010, 50224, 62488, 62780, 73616, 78110, 92020, 124976, 125560, 156220, 184040, 251120, 312440, 335873, 368080, 624880, 671746, 1343492, 1679365, 2686984, 3358730, 5373968, 6717460, 13434920, 26869840]

約数ペア:

[(1, 26869840), (2, 13434920), (4, 6717460), (5, 5373968), (8, 3358730), (10, 2686984), (16, 1679365), (20, 1343492), (40, 671746), (43, 624880), (73, 368080), (80, 335873), (86, 312440), (107, 251120), (146, 184040), (172, 156220), (214, 125560), (215, 124976), (292, 92020), (344, 78110), (365, 73616), (428, 62780), (430, 62488), (535, 50224), (584, 46010), (688, 39055), (730, 36808), (856, 31390), (860, 31244), (1070, 25112), (1168, 23005), (1460, 18404), (1712, 15695), (1720, 15622), (2140, 12556), (2920, 9202), (3139, 8560), (3440, 7811), (4280, 6278), (4601, 5840)]