85464640

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 204322680

約数和(自身を除く): 118858040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 653, 818, 1306, 1636, 2045, 2612, 3265, 3272, 4090, 5224, 6530, 6544, 8180, 10448, 13060, 13088, 16360, 20896, 26120, 26176, 32720, 41792, 52240, 65440, 104480, 130880, 208960, 267077, 534154, 1068308, 1335385, 2136616, 2670770, 4273232, 5341540, 8546464, 10683080, 17092928, 21366160, 42732320, 85464640]

約数ペア:

[(1, 85464640), (2, 42732320), (4, 21366160), (5, 17092928), (8, 10683080), (10, 8546464), (16, 5341540), (20, 4273232), (32, 2670770), (40, 2136616), (64, 1335385), (80, 1068308), (160, 534154), (320, 267077), (409, 208960), (653, 130880), (818, 104480), (1306, 65440), (1636, 52240), (2045, 41792), (2612, 32720), (3265, 26176), (3272, 26120), (4090, 20896), (5224, 16360), (6530, 13088), (6544, 13060), (8180, 10448)]