53340040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 131261760

約数和(自身を除く): 77921720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1531, 1742, 2680, 3062, 3484, 4355, 6124, 6968, 7655, 8710, 12248, 15310, 17420, 19903, 30620, 34840, 39806, 61240, 79612, 99515, 102577, 159224, 199030, 205154, 398060, 410308, 512885, 796120, 820616, 1025770, 1333501, 2051540, 2667002, 4103080, 5334004, 6667505, 10668008, 13335010, 26670020, 53340040]

約数ペア:

[(1, 53340040), (2, 26670020), (4, 13335010), (5, 10668008), (8, 6667505), (10, 5334004), (13, 4103080), (20, 2667002), (26, 2051540), (40, 1333501), (52, 1025770), (65, 820616), (67, 796120), (104, 512885), (130, 410308), (134, 398060), (260, 205154), (268, 199030), (335, 159224), (520, 102577), (536, 99515), (670, 79612), (871, 61240), (1340, 39806), (1531, 34840), (1742, 30620), (2680, 19903), (3062, 17420), (3484, 15310), (4355, 12248), (6124, 8710), (6968, 7655)]