25766000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 80

約数和(自身を含む): 67162368

約数和(自身を除く): 41396368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 991, 1000, 1040, 1300, 1625, 1982, 2000, 2600, 3250, 3964, 4955, 5200, 6500, 7928, 9910, 12883, 13000, 15856, 19820, 24775, 25766, 26000, 39640, 49550, 51532, 64415, 79280, 99100, 103064, 123875, 128830, 198200, 206128, 247750, 257660, 322075, 396400, 495500, 515320, 644150, 991000, 1030640, 1288300, 1610375, 1982000, 2576600, 3220750, 5153200, 6441500, 12883000, 25766000]

約数ペア:

[(1, 25766000), (2, 12883000), (4, 6441500), (5, 5153200), (8, 3220750), (10, 2576600), (13, 1982000), (16, 1610375), (20, 1288300), (25, 1030640), (26, 991000), (40, 644150), (50, 515320), (52, 495500), (65, 396400), (80, 322075), (100, 257660), (104, 247750), (125, 206128), (130, 198200), (200, 128830), (208, 123875), (250, 103064), (260, 99100), (325, 79280), (400, 64415), (500, 51532), (520, 49550), (650, 39640), (991, 26000), (1000, 25766), (1040, 24775), (1300, 19820), (1625, 15856), (1982, 13000), (2000, 12883), (2600, 9910), (3250, 7928), (3964, 6500), (4955, 5200)]