12000040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 29756160

約数和(自身を除く): 17756120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 491, 520, 611, 940, 982, 1222, 1880, 1964, 2444, 2455, 3055, 3928, 4888, 4910, 6110, 6383, 9820, 12220, 12766, 19640, 23077, 24440, 25532, 31915, 46154, 51064, 63830, 92308, 115385, 127660, 184616, 230770, 255320, 300001, 461540, 600002, 923080, 1200004, 1500005, 2400008, 3000010, 6000020, 12000040]

約数ペア:

[(1, 12000040), (2, 6000020), (4, 3000010), (5, 2400008), (8, 1500005), (10, 1200004), (13, 923080), (20, 600002), (26, 461540), (40, 300001), (47, 255320), (52, 230770), (65, 184616), (94, 127660), (104, 115385), (130, 92308), (188, 63830), (235, 51064), (260, 46154), (376, 31915), (470, 25532), (491, 24440), (520, 23077), (611, 19640), (940, 12766), (982, 12220), (1222, 9820), (1880, 6383), (1964, 6110), (2444, 4910), (2455, 4888), (3055, 3928)]