40992820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 53355980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 479, 778, 958, 1556, 1916, 1945, 2395, 3890, 4279, 4790, 5269, 7780, 8558, 9580, 10538, 17116, 21076, 21395, 26345, 42790, 52690, 85580, 105380, 186331, 372662, 745324, 931655, 1863310, 2049641, 3726620, 4099282, 8198564, 10248205, 20496410, 40992820]

約数ペア:

[(1, 40992820), (2, 20496410), (4, 10248205), (5, 8198564), (10, 4099282), (11, 3726620), (20, 2049641), (22, 1863310), (44, 931655), (55, 745324), (110, 372662), (220, 186331), (389, 105380), (479, 85580), (778, 52690), (958, 42790), (1556, 26345), (1916, 21395), (1945, 21076), (2395, 17116), (3890, 10538), (4279, 9580), (4790, 8558), (5269, 7780)]