25723880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 47819800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 191, 259, 260, 280, 296, 364, 370, 382, 455, 481, 518, 520, 728, 740, 764, 910, 955, 962, 1036, 1295, 1337, 1480, 1528, 1820, 1910, 1924, 2072, 2405, 2483, 2590, 2674, 3367, 3640, 3820, 3848, 4810, 4966, 5180, 5348, 6685, 6734, 7067, 7640, 9620, 9932, 10360, 10696, 12415, 13370, 13468, 14134, 16835, 17381, 19240, 19864, 24830, 26740, 26936, 28268, 33670, 34762, 35335, 49469, 49660, 53480, 56536, 67340, 69524, 70670, 86905, 91871, 98938, 99320, 134680, 139048, 141340, 173810, 183742, 197876, 247345, 282680, 347620, 367484, 395752, 459355, 494690, 643097, 695240, 734968, 918710, 989380, 1286194, 1837420, 1978760, 2572388, 3215485, 3674840, 5144776, 6430970, 12861940, 25723880]

約数ペア:

[(1, 25723880), (2, 12861940), (4, 6430970), (5, 5144776), (7, 3674840), (8, 3215485), (10, 2572388), (13, 1978760), (14, 1837420), (20, 1286194), (26, 989380), (28, 918710), (35, 734968), (37, 695240), (40, 643097), (52, 494690), (56, 459355), (65, 395752), (70, 367484), (74, 347620), (91, 282680), (104, 247345), (130, 197876), (140, 183742), (148, 173810), (182, 141340), (185, 139048), (191, 134680), (259, 99320), (260, 98938), (280, 91871), (296, 86905), (364, 70670), (370, 69524), (382, 67340), (455, 56536), (481, 53480), (518, 49660), (520, 49469), (728, 35335), (740, 34762), (764, 33670), (910, 28268), (955, 26936), (962, 26740), (1036, 24830), (1295, 19864), (1337, 19240), (1480, 17381), (1528, 16835), (1820, 14134), (1910, 13468), (1924, 13370), (2072, 12415), (2405, 10696), (2483, 10360), (2590, 9932), (2674, 9620), (3367, 7640), (3640, 7067), (3820, 6734), (3848, 6685), (4810, 5348), (4966, 5180)]