18316160

素因数分解:

$2^7\times 5^1\times {\mathrm{28619}}^1$

素因数の和:28638

約数の個数: 32

約数和(自身を含む): 43788600

約数和(自身を除く): 25472440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28619, 57238, 114476, 143095, 228952, 286190, 457904, 572380, 915808, 1144760, 1831616, 2289520, 3663232, 4579040, 9158080, 18316160]

約数ペア:

[(1, 18316160), (2, 9158080), (4, 4579040), (5, 3663232), (8, 2289520), (10, 1831616), (16, 1144760), (20, 915808), (32, 572380), (40, 457904), (64, 286190), (80, 228952), (128, 143095), (160, 114476), (320, 57238), (640, 28619)]