8121920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1527

約数の個数: 56

約数和(自身を含む): 20491704

約数和(自身を除く): 12369784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1493, 2720, 2986, 5440, 5972, 7465, 11944, 14930, 23888, 25381, 29860, 47776, 50762, 59720, 95552, 101524, 119440, 126905, 203048, 238880, 253810, 406096, 477760, 507620, 812192, 1015240, 1624384, 2030480, 4060960, 8121920]

約数ペア:

[(1, 8121920), (2, 4060960), (4, 2030480), (5, 1624384), (8, 1015240), (10, 812192), (16, 507620), (17, 477760), (20, 406096), (32, 253810), (34, 238880), (40, 203048), (64, 126905), (68, 119440), (80, 101524), (85, 95552), (136, 59720), (160, 50762), (170, 47776), (272, 29860), (320, 25381), (340, 23888), (544, 14930), (680, 11944), (1088, 7465), (1360, 5972), (1493, 5440), (2720, 2986)]