40452220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 87272640

約数和(自身を除く): 46820420

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 206, 269, 292, 365, 412, 515, 538, 730, 1030, 1076, 1345, 1460, 2060, 2690, 5380, 7519, 15038, 19637, 27707, 30076, 37595, 39274, 55414, 75190, 78548, 98185, 110828, 138535, 150380, 196370, 277070, 392740, 554140, 2022611, 4045222, 8090444, 10113055, 20226110, 40452220]

約数ペア:

[(1, 40452220), (2, 20226110), (4, 10113055), (5, 8090444), (10, 4045222), (20, 2022611), (73, 554140), (103, 392740), (146, 277070), (206, 196370), (269, 150380), (292, 138535), (365, 110828), (412, 98185), (515, 78548), (538, 75190), (730, 55414), (1030, 39274), (1076, 37595), (1345, 30076), (1460, 27707), (2060, 19637), (2690, 15038), (5380, 7519)]