77924680

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3011}}^1$

素因数の和:3669

約数の個数: 32

約数和(自身を含む): 175659840

約数和(自身を除く): 97735160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3011, 3235, 5176, 6022, 6470, 12044, 12940, 15055, 24088, 25880, 30110, 60220, 120440, 1948117, 3896234, 7792468, 9740585, 15584936, 19481170, 38962340, 77924680]

約数ペア:

[(1, 77924680), (2, 38962340), (4, 19481170), (5, 15584936), (8, 9740585), (10, 7792468), (20, 3896234), (40, 1948117), (647, 120440), (1294, 60220), (2588, 30110), (3011, 25880), (3235, 24088), (5176, 15055), (6022, 12940), (6470, 12044)]