12741440

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 56

約数和(自身を含む): 31409640

約数和(自身を除く): 18668200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1373, 1856, 2320, 2746, 4640, 5492, 6865, 9280, 10984, 13730, 21968, 27460, 39817, 43936, 54920, 79634, 87872, 109840, 159268, 199085, 219680, 318536, 398170, 439360, 637072, 796340, 1274144, 1592680, 2548288, 3185360, 6370720, 12741440]

約数ペア:

[(1, 12741440), (2, 6370720), (4, 3185360), (5, 2548288), (8, 1592680), (10, 1274144), (16, 796340), (20, 637072), (29, 439360), (32, 398170), (40, 318536), (58, 219680), (64, 199085), (80, 159268), (116, 109840), (145, 87872), (160, 79634), (232, 54920), (290, 43936), (320, 39817), (464, 27460), (580, 21968), (928, 13730), (1160, 10984), (1373, 9280), (1856, 6865), (2320, 5492), (2746, 4640)]