1329920

素因数分解:

$2^8\times 5^1\times {\mathrm{1039}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 3188640

約数和(自身を除く): 1858720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1039, 1280, 2078, 4156, 5195, 8312, 10390, 16624, 20780, 33248, 41560, 66496, 83120, 132992, 166240, 265984, 332480, 664960, 1329920]

約数ペア:

[(1, 1329920), (2, 664960), (4, 332480), (5, 265984), (8, 166240), (10, 132992), (16, 83120), (20, 66496), (32, 41560), (40, 33248), (64, 20780), (80, 16624), (128, 10390), (160, 8312), (256, 5195), (320, 4156), (640, 2078), (1039, 1280)]