2008362880

素因数分解:

$2^7\times 5^1\times {\mathrm{3138067}}^1$

素因数の和:3138086

約数の個数: 32

約数和(自身を含む): 4801244040

約数和(自身を除く): 2792881160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3138067, 6276134, 12552268, 15690335, 25104536, 31380670, 50209072, 62761340, 100418144, 125522680, 200836288, 251045360, 401672576, 502090720, 1004181440, 2008362880]

約数ペア:

[(1, 2008362880), (2, 1004181440), (4, 502090720), (5, 401672576), (8, 251045360), (10, 200836288), (16, 125522680), (20, 100418144), (32, 62761340), (40, 50209072), (64, 31380670), (80, 25104536), (128, 15690335), (160, 12552268), (320, 6276134), (640, 3138067)]