2016736280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{19687}}^1$

素因数の和:19908

約数の個数: 64

約数和(自身を含む): 4911762240

約数和(自身を除く): 2895025960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2561, 3940, 5122, 7880, 10244, 12805, 19687, 20488, 25610, 39374, 51220, 78748, 98435, 102440, 157496, 196870, 255931, 393740, 511862, 787480, 1023724, 1279655, 2047448, 2559310, 3878339, 5118620, 7756678, 10237240, 15513356, 19391695, 31026712, 38783390, 50418407, 77566780, 100836814, 155133560, 201673628, 252092035, 403347256, 504184070, 1008368140, 2016736280]

約数ペア:

[(1, 2016736280), (2, 1008368140), (4, 504184070), (5, 403347256), (8, 252092035), (10, 201673628), (13, 155133560), (20, 100836814), (26, 77566780), (40, 50418407), (52, 38783390), (65, 31026712), (104, 19391695), (130, 15513356), (197, 10237240), (260, 7756678), (394, 5118620), (520, 3878339), (788, 2559310), (985, 2047448), (1576, 1279655), (1970, 1023724), (2561, 787480), (3940, 511862), (5122, 393740), (7880, 255931), (10244, 196870), (12805, 157496), (19687, 102440), (20488, 98435), (25610, 78748), (39374, 51220)]