40440680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 108345600

約数和(自身を除く): 67904920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 329, 376, 392, 439, 470, 490, 658, 878, 940, 980, 1316, 1645, 1756, 1880, 1960, 2195, 2303, 2632, 3073, 3290, 3512, 4390, 4606, 6146, 6580, 8780, 9212, 11515, 12292, 13160, 15365, 17560, 18424, 20633, 21511, 23030, 24584, 30730, 41266, 43022, 46060, 61460, 82532, 86044, 92120, 103165, 107555, 122920, 144431, 165064, 172088, 206330, 215110, 288862, 412660, 430220, 577724, 722155, 825320, 860440, 1011017, 1155448, 1444310, 2022034, 2888620, 4044068, 5055085, 5777240, 8088136, 10110170, 20220340, 40440680]

約数ペア:

[(1, 40440680), (2, 20220340), (4, 10110170), (5, 8088136), (7, 5777240), (8, 5055085), (10, 4044068), (14, 2888620), (20, 2022034), (28, 1444310), (35, 1155448), (40, 1011017), (47, 860440), (49, 825320), (56, 722155), (70, 577724), (94, 430220), (98, 412660), (140, 288862), (188, 215110), (196, 206330), (235, 172088), (245, 165064), (280, 144431), (329, 122920), (376, 107555), (392, 103165), (439, 92120), (470, 86044), (490, 82532), (658, 61460), (878, 46060), (940, 43022), (980, 41266), (1316, 30730), (1645, 24584), (1756, 23030), (1880, 21511), (1960, 20633), (2195, 18424), (2303, 17560), (2632, 15365), (3073, 13160), (3290, 12292), (3512, 11515), (4390, 9212), (4606, 8780), (6146, 6580)]