89207960

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{2011}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 200998800

約数和(自身を除く): 111790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2011, 2218, 4022, 4436, 5545, 8044, 8872, 10055, 11090, 16088, 20110, 22180, 40220, 44360, 80440, 2230199, 4460398, 8920796, 11150995, 17841592, 22301990, 44603980, 89207960]

約数ペア:

[(1, 89207960), (2, 44603980), (4, 22301990), (5, 17841592), (8, 11150995), (10, 8920796), (20, 4460398), (40, 2230199), (1109, 80440), (2011, 44360), (2218, 40220), (4022, 22180), (4436, 20110), (5545, 16088), (8044, 11090), (8872, 10055)]