201644840

素因数分解:

$2^3\times 5^1\times {\mathrm{5041121}}^1$

素因数の和:5041132

約数の個数: 16

約数和(自身を含む): 453700980

約数和(自身を除く): 252056140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5041121, 10082242, 20164484, 25205605, 40328968, 50411210, 100822420, 201644840]

約数ペア:

[(1, 201644840), (2, 100822420), (4, 50411210), (5, 40328968), (8, 25205605), (10, 20164484), (20, 10082242), (40, 5041121)]