13894120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 31468320

約数和(自身を除く): 17574200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2131, 3260, 4262, 6520, 8524, 10655, 17048, 21310, 42620, 85240, 347353, 694706, 1389412, 1736765, 2778824, 3473530, 6947060, 13894120]

約数ペア:

[(1, 13894120), (2, 6947060), (4, 3473530), (5, 2778824), (8, 1736765), (10, 1389412), (20, 694706), (40, 347353), (163, 85240), (326, 42620), (652, 21310), (815, 17048), (1304, 10655), (1630, 8524), (2131, 6520), (3260, 4262)]