2016967840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 4858056000

約数和(自身を除く): 2841088160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 139, 160, 178, 278, 356, 445, 556, 695, 712, 890, 1019, 1112, 1390, 1424, 1780, 2038, 2224, 2780, 2848, 3560, 4076, 4448, 5095, 5560, 7120, 8152, 10190, 11120, 12371, 14240, 16304, 20380, 22240, 24742, 32608, 40760, 49484, 61855, 81520, 90691, 98968, 123710, 141641, 163040, 181382, 197936, 247420, 283282, 362764, 395872, 453455, 494840, 566564, 708205, 725528, 906910, 989680, 1133128, 1416410, 1451056, 1813820, 1979360, 2266256, 2832820, 2902112, 3627640, 4532512, 5665640, 7255280, 11331280, 12606049, 14510560, 22662560, 25212098, 50424196, 63030245, 100848392, 126060490, 201696784, 252120980, 403393568, 504241960, 1008483920, 2016967840]

約数ペア:

[(1, 2016967840), (2, 1008483920), (4, 504241960), (5, 403393568), (8, 252120980), (10, 201696784), (16, 126060490), (20, 100848392), (32, 63030245), (40, 50424196), (80, 25212098), (89, 22662560), (139, 14510560), (160, 12606049), (178, 11331280), (278, 7255280), (356, 5665640), (445, 4532512), (556, 3627640), (695, 2902112), (712, 2832820), (890, 2266256), (1019, 1979360), (1112, 1813820), (1390, 1451056), (1424, 1416410), (1780, 1133128), (2038, 989680), (2224, 906910), (2780, 725528), (2848, 708205), (3560, 566564), (4076, 494840), (4448, 453455), (5095, 395872), (5560, 362764), (7120, 283282), (8152, 247420), (10190, 197936), (11120, 181382), (12371, 163040), (14240, 141641), (16304, 123710), (20380, 98968), (22240, 90691), (24742, 81520), (32608, 61855), (40760, 49484)]