13066840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 30792960

約数和(自身を除く): 17726120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 107, 142, 172, 214, 215, 284, 344, 355, 428, 430, 535, 568, 710, 856, 860, 1070, 1420, 1720, 2140, 2840, 3053, 4280, 4601, 6106, 7597, 9202, 12212, 15194, 15265, 18404, 23005, 24424, 30388, 30530, 36808, 37985, 46010, 60776, 61060, 75970, 92020, 122120, 151940, 184040, 303880, 326671, 653342, 1306684, 1633355, 2613368, 3266710, 6533420, 13066840]

約数ペア:

[(1, 13066840), (2, 6533420), (4, 3266710), (5, 2613368), (8, 1633355), (10, 1306684), (20, 653342), (40, 326671), (43, 303880), (71, 184040), (86, 151940), (107, 122120), (142, 92020), (172, 75970), (214, 61060), (215, 60776), (284, 46010), (344, 37985), (355, 36808), (428, 30530), (430, 30388), (535, 24424), (568, 23005), (710, 18404), (856, 15265), (860, 15194), (1070, 12212), (1420, 9202), (1720, 7597), (2140, 6106), (2840, 4601), (3053, 4280)]