22402840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 50680080

約数和(自身を除く): 28277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2843, 3940, 5686, 7880, 11372, 14215, 22744, 28430, 56860, 113720, 560071, 1120142, 2240284, 2800355, 4480568, 5600710, 11201420, 22402840]

約数ペア:

[(1, 22402840), (2, 11201420), (4, 5600710), (5, 4480568), (8, 2800355), (10, 2240284), (20, 1120142), (40, 560071), (197, 113720), (394, 56860), (788, 28430), (985, 22744), (1576, 14215), (1970, 11372), (2843, 7880), (3940, 5686)]