20160649760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{6329}}^1$

素因数の和:6850

約数の個数: 96

約数和(自身を含む): 48850179840

約数和(自身を除く): 28689530080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 463, 688, 860, 926, 1376, 1720, 1852, 2315, 3440, 3704, 4630, 6329, 6880, 7408, 9260, 12658, 14816, 18520, 19909, 25316, 31645, 37040, 39818, 50632, 63290, 74080, 79636, 99545, 101264, 126580, 159272, 199090, 202528, 253160, 272147, 318544, 398180, 506320, 544294, 637088, 796360, 1012640, 1088588, 1360735, 1592720, 2177176, 2721470, 2930327, 3185440, 4354352, 5442940, 5860654, 8708704, 10885880, 11721308, 14651635, 21771760, 23442616, 29303270, 43543520, 46885232, 58606540, 93770464, 117213080, 126004061, 234426160, 252008122, 468852320, 504016244, 630020305, 1008032488, 1260040610, 2016064976, 2520081220, 4032129952, 5040162440, 10080324880, 20160649760]

約数ペア:

[(1, 20160649760), (2, 10080324880), (4, 5040162440), (5, 4032129952), (8, 2520081220), (10, 2016064976), (16, 1260040610), (20, 1008032488), (32, 630020305), (40, 504016244), (43, 468852320), (80, 252008122), (86, 234426160), (160, 126004061), (172, 117213080), (215, 93770464), (344, 58606540), (430, 46885232), (463, 43543520), (688, 29303270), (860, 23442616), (926, 21771760), (1376, 14651635), (1720, 11721308), (1852, 10885880), (2315, 8708704), (3440, 5860654), (3704, 5442940), (4630, 4354352), (6329, 3185440), (6880, 2930327), (7408, 2721470), (9260, 2177176), (12658, 1592720), (14816, 1360735), (18520, 1088588), (19909, 1012640), (25316, 796360), (31645, 637088), (37040, 544294), (39818, 506320), (50632, 398180), (63290, 318544), (74080, 272147), (79636, 253160), (99545, 202528), (101264, 199090), (126580, 159272)]