40221784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3727}}^1$

素因数の和:3823

約数の個数: 32

約数和(自身を含む): 80524800

約数和(自身を除く): 40303016

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 3727, 5396, 7454, 10792, 14908, 29816, 70813, 141626, 264617, 283252, 529234, 566504, 1058468, 2116936, 5027723, 10055446, 20110892, 40221784]

約数ペア:

[(1, 40221784), (2, 20110892), (4, 10055446), (8, 5027723), (19, 2116936), (38, 1058468), (71, 566504), (76, 529234), (142, 283252), (152, 264617), (284, 141626), (568, 70813), (1349, 29816), (2698, 14908), (3727, 10792), (5396, 7454)]