27720681520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49501217}}^1$

素因数の和:49501237

約数の個数: 40

約数和(自身を含む): 73657812384

約数和(自身を除く): 45937130864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49501217, 99002434, 198004868, 247506085, 346508519, 396009736, 495012170, 693017038, 792019472, 990024340, 1386034076, 1732542595, 1980048680, 2772068152, 3465085190, 3960097360, 5544136304, 6930170380, 13860340760, 27720681520]

約数ペア:

[(1, 27720681520), (2, 13860340760), (4, 6930170380), (5, 5544136304), (7, 3960097360), (8, 3465085190), (10, 2772068152), (14, 1980048680), (16, 1732542595), (20, 1386034076), (28, 990024340), (35, 792019472), (40, 693017038), (56, 495012170), (70, 396009736), (80, 346508519), (112, 247506085), (140, 198004868), (280, 99002434), (560, 49501217)]