80915680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:696

約数の個数: 96

約数和(自身を含む): 206236800

約数和(自身を除く): 125321120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 430, 608, 619, 688, 760, 817, 860, 1238, 1376, 1520, 1634, 1720, 2476, 3040, 3095, 3268, 3440, 4085, 4952, 6190, 6536, 6880, 8170, 9904, 11761, 12380, 13072, 16340, 19808, 23522, 24760, 26144, 26617, 32680, 47044, 49520, 53234, 58805, 65360, 94088, 99040, 106468, 117610, 130720, 133085, 188176, 212936, 235220, 266170, 376352, 425872, 470440, 505723, 532340, 851744, 940880, 1011446, 1064680, 1881760, 2022892, 2129360, 2528615, 4045784, 4258720, 5057230, 8091568, 10114460, 16183136, 20228920, 40457840, 80915680]

約数ペア:

[(1, 80915680), (2, 40457840), (4, 20228920), (5, 16183136), (8, 10114460), (10, 8091568), (16, 5057230), (19, 4258720), (20, 4045784), (32, 2528615), (38, 2129360), (40, 2022892), (43, 1881760), (76, 1064680), (80, 1011446), (86, 940880), (95, 851744), (152, 532340), (160, 505723), (172, 470440), (190, 425872), (215, 376352), (304, 266170), (344, 235220), (380, 212936), (430, 188176), (608, 133085), (619, 130720), (688, 117610), (760, 106468), (817, 99040), (860, 94088), (1238, 65360), (1376, 58805), (1520, 53234), (1634, 49520), (1720, 47044), (2476, 32680), (3040, 26617), (3095, 26144), (3268, 24760), (3440, 23522), (4085, 19808), (4952, 16340), (6190, 13072), (6536, 12380), (6880, 11761), (8170, 9904)]