40381880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1873}}^1$

素因数の和:1909

約数の個数: 96

約数和(自身を含む): 115363440

約数和(自身を除く): 74981560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1873, 1960, 2156, 2695, 3080, 3746, 4312, 5390, 7492, 9365, 10780, 13111, 14984, 18730, 20603, 21560, 26222, 37460, 41206, 52444, 65555, 74920, 82412, 91777, 103015, 104888, 131110, 144221, 164824, 183554, 206030, 262220, 288442, 367108, 412060, 458885, 524440, 576884, 721105, 734216, 824120, 917770, 1009547, 1153768, 1442210, 1835540, 2019094, 2884420, 3671080, 4038188, 5047735, 5768840, 8076376, 10095470, 20190940, 40381880]

約数ペア:

[(1, 40381880), (2, 20190940), (4, 10095470), (5, 8076376), (7, 5768840), (8, 5047735), (10, 4038188), (11, 3671080), (14, 2884420), (20, 2019094), (22, 1835540), (28, 1442210), (35, 1153768), (40, 1009547), (44, 917770), (49, 824120), (55, 734216), (56, 721105), (70, 576884), (77, 524440), (88, 458885), (98, 412060), (110, 367108), (140, 288442), (154, 262220), (196, 206030), (220, 183554), (245, 164824), (280, 144221), (308, 131110), (385, 104888), (392, 103015), (440, 91777), (490, 82412), (539, 74920), (616, 65555), (770, 52444), (980, 41206), (1078, 37460), (1540, 26222), (1873, 21560), (1960, 20603), (2156, 18730), (2695, 14984), (3080, 13111), (3746, 10780), (4312, 9365), (5390, 7492)]