90182290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1279}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 177500160

約数和(自身を除く): 87317870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 641, 1279, 1282, 2558, 3205, 6395, 6410, 7051, 12790, 14069, 14102, 28138, 35255, 70345, 70510, 140690, 819839, 1639678, 4099195, 8198390, 9018229, 18036458, 45091145, 90182290]

約数ペア:

[(1, 90182290), (2, 45091145), (5, 18036458), (10, 9018229), (11, 8198390), (22, 4099195), (55, 1639678), (110, 819839), (641, 140690), (1279, 70510), (1282, 70345), (2558, 35255), (3205, 28138), (6395, 14102), (6410, 14069), (7051, 12790)]