212123080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13159}}^1$

素因数の和:13214

約数の個数: 64

約数和(自身を含む): 530611200

約数和(自身を除く): 318488120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13159, 16120, 26318, 52636, 65795, 105272, 131590, 171067, 263180, 342134, 407929, 526360, 684268, 815858, 855335, 1368536, 1631716, 1710670, 2039645, 3263432, 3421340, 4079290, 5303077, 6842680, 8158580, 10606154, 16317160, 21212308, 26515385, 42424616, 53030770, 106061540, 212123080]

約数ペア:

[(1, 212123080), (2, 106061540), (4, 53030770), (5, 42424616), (8, 26515385), (10, 21212308), (13, 16317160), (20, 10606154), (26, 8158580), (31, 6842680), (40, 5303077), (52, 4079290), (62, 3421340), (65, 3263432), (104, 2039645), (124, 1710670), (130, 1631716), (155, 1368536), (248, 855335), (260, 815858), (310, 684268), (403, 526360), (520, 407929), (620, 342134), (806, 263180), (1240, 171067), (1612, 131590), (2015, 105272), (3224, 65795), (4030, 52636), (8060, 26318), (13159, 16120)]