2016503920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{947}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 4810227840

約数和(自身を除く): 2793723920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 619, 688, 860, 947, 1238, 1720, 1894, 2476, 3095, 3440, 3788, 4735, 4952, 6190, 7576, 9470, 9904, 12380, 15152, 18940, 24760, 26617, 37880, 40721, 49520, 53234, 75760, 81442, 106468, 133085, 162884, 203605, 212936, 266170, 325768, 407210, 425872, 532340, 586193, 651536, 814420, 1064680, 1172386, 1628840, 2129360, 2344772, 2930965, 3257680, 4689544, 5861930, 9379088, 11723860, 23447720, 25206299, 46895440, 50412598, 100825196, 126031495, 201650392, 252062990, 403300784, 504125980, 1008251960, 2016503920]

約数ペア:

[(1, 2016503920), (2, 1008251960), (4, 504125980), (5, 403300784), (8, 252062990), (10, 201650392), (16, 126031495), (20, 100825196), (40, 50412598), (43, 46895440), (80, 25206299), (86, 23447720), (172, 11723860), (215, 9379088), (344, 5861930), (430, 4689544), (619, 3257680), (688, 2930965), (860, 2344772), (947, 2129360), (1238, 1628840), (1720, 1172386), (1894, 1064680), (2476, 814420), (3095, 651536), (3440, 586193), (3788, 532340), (4735, 425872), (4952, 407210), (6190, 325768), (7576, 266170), (9470, 212936), (9904, 203605), (12380, 162884), (15152, 133085), (18940, 106468), (24760, 81442), (26617, 75760), (37880, 53234), (40721, 49520)]