1330942720

素因数分解:

$2^8\times 5^1\times {\mathrm{1039799}}^1$

素因数の和:1039820

約数の個数: 36

約数和(自身を含む): 3188026800

約数和(自身を除く): 1857084080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1039799, 2079598, 4159196, 5198995, 8318392, 10397990, 16636784, 20795980, 33273568, 41591960, 66547136, 83183920, 133094272, 166367840, 266188544, 332735680, 665471360, 1330942720]

約数ペア:

[(1, 1330942720), (2, 665471360), (4, 332735680), (5, 266188544), (8, 166367840), (10, 133094272), (16, 83183920), (20, 66547136), (32, 41591960), (40, 33273568), (64, 20795980), (80, 16636784), (128, 10397990), (160, 8318392), (256, 5198995), (320, 4159196), (640, 2079598), (1280, 1039799)]