77829760

素因数分解:

$2^7\times 5^1\times {\mathrm{121609}}^1$

素因数の和:121628

約数の個数: 32

約数和(自身を含む): 186063300

約数和(自身を除く): 108233540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121609, 243218, 486436, 608045, 972872, 1216090, 1945744, 2432180, 3891488, 4864360, 7782976, 9728720, 15565952, 19457440, 38914880, 77829760]

約数ペア:

[(1, 77829760), (2, 38914880), (4, 19457440), (5, 15565952), (8, 9728720), (10, 7782976), (16, 4864360), (20, 3891488), (32, 2432180), (40, 1945744), (64, 1216090), (80, 972872), (128, 608045), (160, 486436), (320, 243218), (640, 121609)]