1023649520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1530

約数の個数: 80

約数和(自身を含む): 2430648000

約数和(自身を除く): 1406998480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 109, 178, 218, 356, 436, 445, 545, 712, 872, 890, 1090, 1319, 1424, 1744, 1780, 2180, 2638, 3560, 4360, 5276, 6595, 7120, 8720, 9701, 10552, 13190, 19402, 21104, 26380, 38804, 48505, 52760, 77608, 97010, 105520, 117391, 143771, 155216, 194020, 234782, 287542, 388040, 469564, 575084, 586955, 718855, 776080, 939128, 1150168, 1173910, 1437710, 1878256, 2300336, 2347820, 2875420, 4695640, 5750840, 9391280, 11501680, 12795619, 25591238, 51182476, 63978095, 102364952, 127956190, 204729904, 255912380, 511824760, 1023649520]

約数ペア:

[(1, 1023649520), (2, 511824760), (4, 255912380), (5, 204729904), (8, 127956190), (10, 102364952), (16, 63978095), (20, 51182476), (40, 25591238), (80, 12795619), (89, 11501680), (109, 9391280), (178, 5750840), (218, 4695640), (356, 2875420), (436, 2347820), (445, 2300336), (545, 1878256), (712, 1437710), (872, 1173910), (890, 1150168), (1090, 939128), (1319, 776080), (1424, 718855), (1744, 586955), (1780, 575084), (2180, 469564), (2638, 388040), (3560, 287542), (4360, 234782), (5276, 194020), (6595, 155216), (7120, 143771), (8720, 117391), (9701, 105520), (10552, 97010), (13190, 77608), (19402, 52760), (21104, 48505), (26380, 38804)]