85689280

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1157

約数の個数: 56

約数和(自身を含む): 204917040

約数和(自身を除く): 119227760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 809, 1324, 1618, 1655, 2648, 3236, 3310, 4045, 5296, 6472, 6620, 8090, 10592, 12944, 13240, 16180, 21184, 25888, 26480, 32360, 51776, 52960, 64720, 105920, 129440, 258880, 267779, 535558, 1071116, 1338895, 2142232, 2677790, 4284464, 5355580, 8568928, 10711160, 17137856, 21422320, 42844640, 85689280]

約数ペア:

[(1, 85689280), (2, 42844640), (4, 21422320), (5, 17137856), (8, 10711160), (10, 8568928), (16, 5355580), (20, 4284464), (32, 2677790), (40, 2142232), (64, 1338895), (80, 1071116), (160, 535558), (320, 267779), (331, 258880), (662, 129440), (809, 105920), (1324, 64720), (1618, 52960), (1655, 51776), (2648, 32360), (3236, 26480), (3310, 25888), (4045, 21184), (5296, 16180), (6472, 13240), (6620, 12944), (8090, 10592)]