204080840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{221827}}^1$

素因数の和:221861

約数の個数: 32

約数和(自身を含む): 479148480

約数和(自身を除く): 275067640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 221827, 443654, 887308, 1109135, 1774616, 2218270, 4436540, 5102021, 8873080, 10204042, 20408084, 25510105, 40816168, 51020210, 102040420, 204080840]

約数ペア:

[(1, 204080840), (2, 102040420), (4, 51020210), (5, 40816168), (8, 25510105), (10, 20408084), (20, 10204042), (23, 8873080), (40, 5102021), (46, 4436540), (92, 2218270), (115, 1774616), (184, 1109135), (230, 887308), (460, 443654), (920, 221827)]