11138840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 25176960

約数和(自身を除く): 14038120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 991, 1124, 1405, 1982, 2248, 2810, 3964, 4955, 5620, 7928, 9910, 11240, 19820, 39640, 278471, 556942, 1113884, 1392355, 2227768, 2784710, 5569420, 11138840]

約数ペア:

[(1, 11138840), (2, 5569420), (4, 2784710), (5, 2227768), (8, 1392355), (10, 1113884), (20, 556942), (40, 278471), (281, 39640), (562, 19820), (991, 11240), (1124, 9910), (1405, 7928), (1982, 5620), (2248, 4955), (2810, 3964)]