205272080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6424

約数の個数: 80

約数和(自身を含む): 530632704

約数和(自身を除く): 325360624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6367, 6448, 8060, 12734, 16120, 25468, 31835, 32240, 50936, 63670, 82771, 101872, 127340, 165542, 197377, 254680, 331084, 394754, 413855, 509360, 662168, 789508, 827710, 986885, 1324336, 1579016, 1655420, 1973770, 2565901, 3158032, 3310840, 3947540, 5131802, 6621680, 7895080, 10263604, 12829505, 15790160, 20527208, 25659010, 41054416, 51318020, 102636040, 205272080]

約数ペア:

[(1, 205272080), (2, 102636040), (4, 51318020), (5, 41054416), (8, 25659010), (10, 20527208), (13, 15790160), (16, 12829505), (20, 10263604), (26, 7895080), (31, 6621680), (40, 5131802), (52, 3947540), (62, 3310840), (65, 3158032), (80, 2565901), (104, 1973770), (124, 1655420), (130, 1579016), (155, 1324336), (208, 986885), (248, 827710), (260, 789508), (310, 662168), (403, 509360), (496, 413855), (520, 394754), (620, 331084), (806, 254680), (1040, 197377), (1240, 165542), (1612, 127340), (2015, 101872), (2480, 82771), (3224, 63670), (4030, 50936), (6367, 32240), (6448, 31835), (8060, 25468), (12734, 16120)]