77688560

素因数分解:

$2^4\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1019}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 180992880

約数和(自身を除く): 103304320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 953, 1019, 1906, 2038, 3812, 4076, 4765, 5095, 7624, 8152, 9530, 10190, 15248, 16304, 19060, 20380, 38120, 40760, 76240, 81520, 971107, 1942214, 3884428, 4855535, 7768856, 9711070, 15537712, 19422140, 38844280, 77688560]

約数ペア:

[(1, 77688560), (2, 38844280), (4, 19422140), (5, 15537712), (8, 9711070), (10, 7768856), (16, 4855535), (20, 3884428), (40, 1942214), (80, 971107), (953, 81520), (1019, 76240), (1906, 40760), (2038, 38120), (3812, 20380), (4076, 19060), (4765, 16304), (5095, 15248), (7624, 10190), (8152, 9530)]