27788240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 65034528

約数和(自身を除く): 37246288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2131, 2608, 3260, 4262, 6520, 8524, 10655, 13040, 17048, 21310, 34096, 42620, 85240, 170480, 347353, 694706, 1389412, 1736765, 2778824, 3473530, 5557648, 6947060, 13894120, 27788240]

約数ペア:

[(1, 27788240), (2, 13894120), (4, 6947060), (5, 5557648), (8, 3473530), (10, 2778824), (16, 1736765), (20, 1389412), (40, 694706), (80, 347353), (163, 170480), (326, 85240), (652, 42620), (815, 34096), (1304, 21310), (1630, 17048), (2131, 13040), (2608, 10655), (3260, 8524), (4262, 6520)]