65684720

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3617}}^1$

素因数の和:3857

約数の個数: 40

約数和(自身を含む): 153432144

約数和(自身を除く): 87747424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3617, 3632, 4540, 7234, 9080, 14468, 18085, 18160, 28936, 36170, 57872, 72340, 144680, 289360, 821059, 1642118, 3284236, 4105295, 6568472, 8210590, 13136944, 16421180, 32842360, 65684720]

約数ペア:

[(1, 65684720), (2, 32842360), (4, 16421180), (5, 13136944), (8, 8210590), (10, 6568472), (16, 4105295), (20, 3284236), (40, 1642118), (80, 821059), (227, 289360), (454, 144680), (908, 72340), (1135, 57872), (1816, 36170), (2270, 28936), (3617, 18160), (3632, 18085), (4540, 14468), (7234, 9080)]