90624640

素因数分解:

$2^7\times 5^1\times {\mathrm{141601}}^1$

素因数の和:141620

約数の個数: 32

約数和(自身を含む): 216651060

約数和(自身を除く): 126026420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141601, 283202, 566404, 708005, 1132808, 1416010, 2265616, 2832020, 4531232, 5664040, 9062464, 11328080, 18124928, 22656160, 45312320, 90624640]

約数ペア:

[(1, 90624640), (2, 45312320), (4, 22656160), (5, 18124928), (8, 11328080), (10, 9062464), (16, 5664040), (20, 4531232), (32, 2832020), (40, 2265616), (64, 1416010), (80, 1132808), (128, 708005), (160, 566404), (320, 283202), (640, 141601)]