2568754240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19980

約数の個数: 112

約数和(自身を含む): 6800209920

約数和(自身を除く): 4231455680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 16120, 19919, 25792, 32240, 39838, 64480, 79676, 99595, 128960, 159352, 199190, 258947, 318704, 398380, 517894, 617489, 637408, 796760, 1035788, 1234978, 1274816, 1294735, 1593520, 2071576, 2469956, 2589470, 3087445, 3187040, 4143152, 4939912, 5178940, 6174890, 6374080, 8027357, 8286304, 9879824, 10357880, 12349780, 16054714, 16572608, 19759648, 20715760, 24699560, 32109428, 39519296, 40136785, 41431520, 49399120, 64218856, 80273570, 82863040, 98798240, 128437712, 160547140, 197596480, 256875424, 321094280, 513750848, 642188560, 1284377120, 2568754240]

約数ペア:

[(1, 2568754240), (2, 1284377120), (4, 642188560), (5, 513750848), (8, 321094280), (10, 256875424), (13, 197596480), (16, 160547140), (20, 128437712), (26, 98798240), (31, 82863040), (32, 80273570), (40, 64218856), (52, 49399120), (62, 41431520), (64, 40136785), (65, 39519296), (80, 32109428), (104, 24699560), (124, 20715760), (130, 19759648), (155, 16572608), (160, 16054714), (208, 12349780), (248, 10357880), (260, 9879824), (310, 8286304), (320, 8027357), (403, 6374080), (416, 6174890), (496, 5178940), (520, 4939912), (620, 4143152), (806, 3187040), (832, 3087445), (992, 2589470), (1040, 2469956), (1240, 2071576), (1612, 1593520), (1984, 1294735), (2015, 1274816), (2080, 1234978), (2480, 1035788), (3224, 796760), (4030, 637408), (4160, 617489), (4960, 517894), (6448, 398380), (8060, 318704), (9920, 258947), (12896, 199190), (16120, 159352), (19919, 128960), (25792, 99595), (32240, 79676), (39838, 64480)]