86977420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{55049}}^1$

素因数の和:55137

約数の個数: 24

約数和(自身を含む): 184968000

約数和(自身を除く): 97990580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 55049, 110098, 220196, 275245, 550490, 1100980, 4348871, 8697742, 17395484, 21744355, 43488710, 86977420]

約数ペア:

[(1, 86977420), (2, 43488710), (4, 21744355), (5, 17395484), (10, 8697742), (20, 4348871), (79, 1100980), (158, 550490), (316, 275245), (395, 220196), (790, 110098), (1580, 55049)]