31471280

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1733}}^1$

素因数の和:1973

約数の個数: 40

約数和(自身を含む): 73535472

約数和(自身を除く): 42064192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1733, 1816, 2270, 3466, 3632, 4540, 6932, 8665, 9080, 13864, 17330, 18160, 27728, 34660, 69320, 138640, 393391, 786782, 1573564, 1966955, 3147128, 3933910, 6294256, 7867820, 15735640, 31471280]

約数ペア:

[(1, 31471280), (2, 15735640), (4, 7867820), (5, 6294256), (8, 3933910), (10, 3147128), (16, 1966955), (20, 1573564), (40, 786782), (80, 393391), (227, 138640), (454, 69320), (908, 34660), (1135, 27728), (1733, 18160), (1816, 17330), (2270, 13864), (3466, 9080), (3632, 8665), (4540, 6932)]