12381760

素因数分解:

$2^6\times 5^1\times {\mathrm{38693}}^1$

素因数の和:38710

約数の個数: 28

約数和(自身を含む): 29484828

約数和(自身を除く): 17103068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 38693, 77386, 154772, 193465, 309544, 386930, 619088, 773860, 1238176, 1547720, 2476352, 3095440, 6190880, 12381760]

約数ペア:

[(1, 12381760), (2, 6190880), (4, 3095440), (5, 2476352), (8, 1547720), (10, 1238176), (16, 773860), (20, 619088), (32, 386930), (40, 309544), (64, 193465), (80, 154772), (160, 77386), (320, 38693)]