22213720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2819}}^1$

素因数の和:3027

約数の個数: 32

約数和(自身を含む): 50252400

約数和(自身を除く): 28038680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2819, 3940, 5638, 7880, 11276, 14095, 22552, 28190, 56380, 112760, 555343, 1110686, 2221372, 2776715, 4442744, 5553430, 11106860, 22213720]

約数ペア:

[(1, 22213720), (2, 11106860), (4, 5553430), (5, 4442744), (8, 2776715), (10, 2221372), (20, 1110686), (40, 555343), (197, 112760), (394, 56380), (788, 28190), (985, 22552), (1576, 14095), (1970, 11276), (2819, 7880), (3940, 5638)]