51382760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 136766880

約数和(自身を除く): 85384120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 440, 520, 572, 676, 691, 715, 845, 1144, 1352, 1382, 1430, 1690, 1859, 2764, 2860, 3380, 3455, 3718, 5528, 5720, 6760, 6910, 7436, 7601, 8983, 9295, 13820, 14872, 15202, 17966, 18590, 27640, 30404, 35932, 37180, 38005, 44915, 60808, 71864, 74360, 76010, 89830, 98813, 116779, 152020, 179660, 197626, 233558, 304040, 359320, 395252, 467116, 494065, 583895, 790504, 934232, 988130, 1167790, 1284569, 1976260, 2335580, 2569138, 3952520, 4671160, 5138276, 6422845, 10276552, 12845690, 25691380, 51382760]

約数ペア:

[(1, 51382760), (2, 25691380), (4, 12845690), (5, 10276552), (8, 6422845), (10, 5138276), (11, 4671160), (13, 3952520), (20, 2569138), (22, 2335580), (26, 1976260), (40, 1284569), (44, 1167790), (52, 988130), (55, 934232), (65, 790504), (88, 583895), (104, 494065), (110, 467116), (130, 395252), (143, 359320), (169, 304040), (220, 233558), (260, 197626), (286, 179660), (338, 152020), (440, 116779), (520, 98813), (572, 89830), (676, 76010), (691, 74360), (715, 71864), (845, 60808), (1144, 44915), (1352, 38005), (1382, 37180), (1430, 35932), (1690, 30404), (1859, 27640), (2764, 18590), (2860, 17966), (3380, 15202), (3455, 14872), (3718, 13820), (5528, 9295), (5720, 8983), (6760, 7601), (6910, 7436)]