40686520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 105177600

約数和(自身を除く): 64491080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 439, 662, 878, 1324, 1655, 1756, 2195, 2317, 2648, 3073, 3310, 3512, 4390, 4634, 6146, 6620, 8780, 9268, 11585, 12292, 13240, 15365, 17560, 18536, 23170, 24584, 30730, 46340, 61460, 92680, 122920, 145309, 290618, 581236, 726545, 1017163, 1162472, 1453090, 2034326, 2906180, 4068652, 5085815, 5812360, 8137304, 10171630, 20343260, 40686520]

約数ペア:

[(1, 40686520), (2, 20343260), (4, 10171630), (5, 8137304), (7, 5812360), (8, 5085815), (10, 4068652), (14, 2906180), (20, 2034326), (28, 1453090), (35, 1162472), (40, 1017163), (56, 726545), (70, 581236), (140, 290618), (280, 145309), (331, 122920), (439, 92680), (662, 61460), (878, 46340), (1324, 30730), (1655, 24584), (1756, 23170), (2195, 18536), (2317, 17560), (2648, 15365), (3073, 13240), (3310, 12292), (3512, 11585), (4390, 9268), (4634, 8780), (6146, 6620)]