25881800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 74214000

約数和(自身を除く): 48332200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 133, 139, 140, 152, 175, 190, 196, 200, 245, 266, 278, 280, 350, 380, 392, 475, 490, 532, 556, 665, 695, 700, 760, 931, 950, 973, 980, 1064, 1112, 1225, 1330, 1390, 1400, 1862, 1900, 1946, 1960, 2450, 2641, 2660, 2780, 3325, 3475, 3724, 3800, 3892, 4655, 4865, 4900, 5282, 5320, 5560, 6650, 6811, 6950, 7448, 7784, 9310, 9730, 9800, 10564, 13205, 13300, 13622, 13900, 18487, 18620, 19460, 21128, 23275, 24325, 26410, 26600, 27244, 27800, 34055, 36974, 37240, 38920, 46550, 48650, 52820, 54488, 66025, 68110, 73948, 92435, 93100, 97300, 105640, 129409, 132050, 136220, 147896, 170275, 184870, 186200, 194600, 258818, 264100, 272440, 340550, 369740, 462175, 517636, 528200, 647045, 681100, 739480, 924350, 1035272, 1294090, 1362200, 1848700, 2588180, 3235225, 3697400, 5176360, 6470450, 12940900, 25881800]

約数ペア:

[(1, 25881800), (2, 12940900), (4, 6470450), (5, 5176360), (7, 3697400), (8, 3235225), (10, 2588180), (14, 1848700), (19, 1362200), (20, 1294090), (25, 1035272), (28, 924350), (35, 739480), (38, 681100), (40, 647045), (49, 528200), (50, 517636), (56, 462175), (70, 369740), (76, 340550), (95, 272440), (98, 264100), (100, 258818), (133, 194600), (139, 186200), (140, 184870), (152, 170275), (175, 147896), (190, 136220), (196, 132050), (200, 129409), (245, 105640), (266, 97300), (278, 93100), (280, 92435), (350, 73948), (380, 68110), (392, 66025), (475, 54488), (490, 52820), (532, 48650), (556, 46550), (665, 38920), (695, 37240), (700, 36974), (760, 34055), (931, 27800), (950, 27244), (973, 26600), (980, 26410), (1064, 24325), (1112, 23275), (1225, 21128), (1330, 19460), (1390, 18620), (1400, 18487), (1862, 13900), (1900, 13622), (1946, 13300), (1960, 13205), (2450, 10564), (2641, 9800), (2660, 9730), (2780, 9310), (3325, 7784), (3475, 7448), (3724, 6950), (3800, 6811), (3892, 6650), (4655, 5560), (4865, 5320), (4900, 5282)]