28079660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200569}}^1$

素因数の和:200585

約数の個数: 24

約数和(自身を含む): 67391520

約数和(自身を除く): 39311860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200569, 401138, 802276, 1002845, 1403983, 2005690, 2807966, 4011380, 5615932, 7019915, 14039830, 28079660]

約数ペア:

[(1, 28079660), (2, 14039830), (4, 7019915), (5, 5615932), (7, 4011380), (10, 2807966), (14, 2005690), (20, 1403983), (28, 1002845), (35, 802276), (70, 401138), (140, 200569)]