16231720

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2267}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 20509880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2267, 3580, 4534, 7160, 9068, 11335, 18136, 22670, 45340, 90680, 405793, 811586, 1623172, 2028965, 3246344, 4057930, 8115860, 16231720]

約数ペア:

[(1, 16231720), (2, 8115860), (4, 4057930), (5, 3246344), (8, 2028965), (10, 1623172), (20, 811586), (40, 405793), (179, 90680), (358, 45340), (716, 22670), (895, 18136), (1432, 11335), (1790, 9068), (2267, 7160), (3580, 4534)]