90700880

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4093}}^1$

素因数の和:4383

約数の個数: 40

約数和(自身を含む): 211692552

約数和(自身を除く): 120991672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4093, 4432, 5540, 8186, 11080, 16372, 20465, 22160, 32744, 40930, 65488, 81860, 163720, 327440, 1133761, 2267522, 4535044, 5668805, 9070088, 11337610, 18140176, 22675220, 45350440, 90700880]

約数ペア:

[(1, 90700880), (2, 45350440), (4, 22675220), (5, 18140176), (8, 11337610), (10, 9070088), (16, 5668805), (20, 4535044), (40, 2267522), (80, 1133761), (277, 327440), (554, 163720), (1108, 81860), (1385, 65488), (2216, 40930), (2770, 32744), (4093, 22160), (4432, 20465), (5540, 16372), (8186, 11080)]