28329680

素因数分解:

$2^4\times 5^1\times {\mathrm{354121}}^1$

素因数の和:354134

約数の個数: 20

約数和(自身を含む): 65866692

約数和(自身を除く): 37537012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354121, 708242, 1416484, 1770605, 2832968, 3541210, 5665936, 7082420, 14164840, 28329680]

約数ペア:

[(1, 28329680), (2, 14164840), (4, 7082420), (5, 5665936), (8, 3541210), (10, 2832968), (16, 1770605), (20, 1416484), (40, 708242), (80, 354121)]