201988840

素因数分解:

$2^3\times 5^1\times {\mathrm{5049721}}^1$

素因数の和:5049732

約数の個数: 16

約数和(自身を含む): 454474980

約数和(自身を除く): 252486140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049721, 10099442, 20198884, 25248605, 40397768, 50497210, 100994420, 201988840]

約数ペア:

[(1, 201988840), (2, 100994420), (4, 50497210), (5, 40397768), (8, 25248605), (10, 20198884), (20, 10099442), (40, 5049721)]