31461940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6121}}^1$

素因数の和:6387

約数の個数: 24

約数和(自身を含む): 66337992

約数和(自身を除く): 34876052

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 6121, 12242, 24484, 30605, 61210, 122420, 1573097, 3146194, 6292388, 7865485, 15730970, 31461940]

約数ペア:

[(1, 31461940), (2, 15730970), (4, 7865485), (5, 6292388), (10, 3146194), (20, 1573097), (257, 122420), (514, 61210), (1028, 30605), (1285, 24484), (2570, 12242), (5140, 6121)]