117647560

素因数分解:

$2^3\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{1721}}^1$

素因数の和:3441

約数の個数: 32

約数和(自身を含む): 265015800

約数和(自身を除く): 147368240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1709, 1721, 3418, 3442, 6836, 6884, 8545, 8605, 13672, 13768, 17090, 17210, 34180, 34420, 68360, 68840, 2941189, 5882378, 11764756, 14705945, 23529512, 29411890, 58823780, 117647560]

約数ペア:

[(1, 117647560), (2, 58823780), (4, 29411890), (5, 23529512), (8, 14705945), (10, 11764756), (20, 5882378), (40, 2941189), (1709, 68840), (1721, 68360), (3418, 34420), (3442, 34180), (6836, 17210), (6884, 17090), (8545, 13768), (8605, 13672)]