81126940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{2963}}^1$

素因数の和:3046

約数の個数: 36

約数和(自身を含む): 175154616

約数和(自身を除く): 94027676

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 2963, 5476, 5926, 6845, 11852, 13690, 14815, 27380, 29630, 59260, 109631, 219262, 438524, 548155, 1096310, 2192620, 4056347, 8112694, 16225388, 20281735, 40563470, 81126940]

約数ペア:

[(1, 81126940), (2, 40563470), (4, 20281735), (5, 16225388), (10, 8112694), (20, 4056347), (37, 2192620), (74, 1096310), (148, 548155), (185, 438524), (370, 219262), (740, 109631), (1369, 59260), (2738, 29630), (2963, 27380), (5476, 14815), (5926, 13690), (6845, 11852)]