40009904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1109

約数の個数: 40

約数和(自身を含む): 84972240

約数和(自身を除く): 44962336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 281, 562, 809, 1124, 1618, 2248, 3091, 3236, 4496, 6182, 6472, 8899, 12364, 12944, 17798, 24728, 35596, 49456, 71192, 142384, 227329, 454658, 909316, 1818632, 2500619, 3637264, 5001238, 10002476, 20004952, 40009904]

約数ペア:

[(1, 40009904), (2, 20004952), (4, 10002476), (8, 5001238), (11, 3637264), (16, 2500619), (22, 1818632), (44, 909316), (88, 454658), (176, 227329), (281, 142384), (562, 71192), (809, 49456), (1124, 35596), (1618, 24728), (2248, 17798), (3091, 12944), (3236, 12364), (4496, 8899), (6182, 6472)]