80539840

素因数分解:

$2^6\times 5^1\times {\mathrm{293}}^1\times {\mathrm{859}}^1$

素因数の和:1169

約数の個数: 56

約数和(自身を含む): 192664080

約数和(自身を除く): 112124240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 293, 320, 586, 859, 1172, 1465, 1718, 2344, 2930, 3436, 4295, 4688, 5860, 6872, 8590, 9376, 11720, 13744, 17180, 18752, 23440, 27488, 34360, 46880, 54976, 68720, 93760, 137440, 251687, 274880, 503374, 1006748, 1258435, 2013496, 2516870, 4026992, 5033740, 8053984, 10067480, 16107968, 20134960, 40269920, 80539840]

約数ペア:

[(1, 80539840), (2, 40269920), (4, 20134960), (5, 16107968), (8, 10067480), (10, 8053984), (16, 5033740), (20, 4026992), (32, 2516870), (40, 2013496), (64, 1258435), (80, 1006748), (160, 503374), (293, 274880), (320, 251687), (586, 137440), (859, 93760), (1172, 68720), (1465, 54976), (1718, 46880), (2344, 34360), (2930, 27488), (3436, 23440), (4295, 18752), (4688, 17180), (5860, 13744), (6872, 11720), (8590, 9376)]