40691240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3271}}^1$

素因数の和:3593

約数の個数: 32

約数和(自身を含む): 91877760

約数和(自身を除く): 51186520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3271, 6220, 6542, 12440, 13084, 16355, 26168, 32710, 65420, 130840, 1017281, 2034562, 4069124, 5086405, 8138248, 10172810, 20345620, 40691240]

約数ペア:

[(1, 40691240), (2, 20345620), (4, 10172810), (5, 8138248), (8, 5086405), (10, 4069124), (20, 2034562), (40, 1017281), (311, 130840), (622, 65420), (1244, 32710), (1555, 26168), (2488, 16355), (3110, 13084), (3271, 12440), (6220, 6542)]