22401320

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1993}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 50607720

約数和(自身を除く): 28206400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 1993, 2248, 2810, 3986, 5620, 7972, 9965, 11240, 15944, 19930, 39860, 79720, 560033, 1120066, 2240132, 2800165, 4480264, 5600330, 11200660, 22401320]

約数ペア:

[(1, 22401320), (2, 11200660), (4, 5600330), (5, 4480264), (8, 2800165), (10, 2240132), (20, 1120066), (40, 560033), (281, 79720), (562, 39860), (1124, 19930), (1405, 15944), (1993, 11240), (2248, 9965), (2810, 7972), (3986, 5620)]