23381720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8233}}^1$

素因数の和:8315

約数の個数: 32

約数和(自身を含む): 53356320

約数和(自身を除く): 29974600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8233, 16466, 32932, 41165, 65864, 82330, 164660, 329320, 584543, 1169086, 2338172, 2922715, 4676344, 5845430, 11690860, 23381720]

約数ペア:

[(1, 23381720), (2, 11690860), (4, 5845430), (5, 4676344), (8, 2922715), (10, 2338172), (20, 1169086), (40, 584543), (71, 329320), (142, 164660), (284, 82330), (355, 65864), (568, 41165), (710, 32932), (1420, 16466), (2840, 8233)]