25819640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 48207880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 83, 88, 101, 110, 140, 154, 166, 202, 220, 280, 308, 332, 385, 404, 415, 440, 505, 581, 616, 664, 707, 770, 808, 830, 913, 1010, 1111, 1162, 1414, 1540, 1660, 1826, 2020, 2222, 2324, 2828, 2905, 3080, 3320, 3535, 3652, 4040, 4444, 4565, 4648, 5555, 5656, 5810, 6391, 7070, 7304, 7777, 8383, 8888, 9130, 11110, 11620, 12782, 14140, 15554, 16766, 18260, 22220, 23240, 25564, 28280, 31108, 31955, 33532, 36520, 38885, 41915, 44440, 51128, 58681, 62216, 63910, 67064, 77770, 83830, 92213, 117362, 127820, 155540, 167660, 184426, 234724, 255640, 293405, 311080, 335320, 368852, 461065, 469448, 586810, 645491, 737704, 922130, 1173620, 1290982, 1844260, 2347240, 2581964, 3227455, 3688520, 5163928, 6454910, 12909820, 25819640]

約数ペア:

[(1, 25819640), (2, 12909820), (4, 6454910), (5, 5163928), (7, 3688520), (8, 3227455), (10, 2581964), (11, 2347240), (14, 1844260), (20, 1290982), (22, 1173620), (28, 922130), (35, 737704), (40, 645491), (44, 586810), (55, 469448), (56, 461065), (70, 368852), (77, 335320), (83, 311080), (88, 293405), (101, 255640), (110, 234724), (140, 184426), (154, 167660), (166, 155540), (202, 127820), (220, 117362), (280, 92213), (308, 83830), (332, 77770), (385, 67064), (404, 63910), (415, 62216), (440, 58681), (505, 51128), (581, 44440), (616, 41915), (664, 38885), (707, 36520), (770, 33532), (808, 31955), (830, 31108), (913, 28280), (1010, 25564), (1111, 23240), (1162, 22220), (1414, 18260), (1540, 16766), (1660, 15554), (1826, 14140), (2020, 12782), (2222, 11620), (2324, 11110), (2828, 9130), (2905, 8888), (3080, 8383), (3320, 7777), (3535, 7304), (3652, 7070), (4040, 6391), (4444, 5810), (4565, 5656), (4648, 5555)]