849004840

素因数分解:

$2^3\times 5^1\times {\mathrm{21225121}}^1$

素因数の和:21225132

約数の個数: 16

約数和(自身を含む): 1910260980

約数和(自身を除く): 1061256140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21225121, 42450242, 84900484, 106125605, 169800968, 212251210, 424502420, 849004840]

約数ペア:

[(1, 849004840), (2, 424502420), (4, 212251210), (5, 169800968), (8, 106125605), (10, 84900484), (20, 42450242), (40, 21225121)]