87120940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{117731}}^1$

素因数の和:117777

約数の個数: 24

約数和(自身を含む): 187900272

約数和(自身を除く): 100779332

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 117731, 235462, 470924, 588655, 1177310, 2354620, 4356047, 8712094, 17424188, 21780235, 43560470, 87120940]

約数ペア:

[(1, 87120940), (2, 43560470), (4, 21780235), (5, 17424188), (10, 8712094), (20, 4356047), (37, 2354620), (74, 1177310), (148, 588655), (185, 470924), (370, 235462), (740, 117731)]