89438080

素因数分解:

$2^7\times 5^1\times {\mathrm{139747}}^1$

素因数の和:139766

約数の個数: 32

約数和(自身を含む): 213814440

約数和(自身を除く): 124376360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139747, 279494, 558988, 698735, 1117976, 1397470, 2235952, 2794940, 4471904, 5589880, 8943808, 11179760, 17887616, 22359520, 44719040, 89438080]

約数ペア:

[(1, 89438080), (2, 44719040), (4, 22359520), (5, 17887616), (8, 11179760), (10, 8943808), (16, 5589880), (20, 4471904), (32, 2794940), (40, 2235952), (64, 1397470), (80, 1117976), (128, 698735), (160, 558988), (320, 279494), (640, 139747)]