77794880

素因数分解:

$2^6\times 5^1\times {\mathrm{243109}}^1$

素因数の和:243126

約数の個数: 28

約数和(自身を含む): 185249820

約数和(自身を除く): 107454940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243109, 486218, 972436, 1215545, 1944872, 2431090, 3889744, 4862180, 7779488, 9724360, 15558976, 19448720, 38897440, 77794880]

約数ペア:

[(1, 77794880), (2, 38897440), (4, 19448720), (5, 15558976), (8, 9724360), (10, 7779488), (16, 4862180), (20, 3889744), (32, 2431090), (40, 1944872), (64, 1215545), (80, 972436), (160, 486218), (320, 243109)]