11831720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5581}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 27128520

約数和(自身を除く): 15296800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5581, 11162, 22324, 27905, 44648, 55810, 111620, 223240, 295793, 591586, 1183172, 1478965, 2366344, 2957930, 5915860, 11831720]

約数ペア:

[(1, 11831720), (2, 5915860), (4, 2957930), (5, 2366344), (8, 1478965), (10, 1183172), (20, 591586), (40, 295793), (53, 223240), (106, 111620), (212, 55810), (265, 44648), (424, 27905), (530, 22324), (1060, 11162), (2120, 5581)]