1964840

素因数分解:

$2^3\times 5^1\times {\mathrm{49121}}^1$

素因数の和:49132

約数の個数: 16

約数和(自身を含む): 4420980

約数和(自身を除く): 2456140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49121, 98242, 196484, 245605, 392968, 491210, 982420, 1964840]

約数ペア:

[(1, 1964840), (2, 982420), (4, 491210), (5, 392968), (8, 245605), (10, 196484), (20, 98242), (40, 49121)]