520143880

素因数分解:

$2^3\times 5^1\times {\mathrm{13003597}}^1$

素因数の和:13003608

約数の個数: 16

約数和(自身を含む): 1170323820

約数和(自身を除く): 650179940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13003597, 26007194, 52014388, 65017985, 104028776, 130035970, 260071940, 520143880]

約数ペア:

[(1, 520143880), (2, 260071940), (4, 130035970), (5, 104028776), (8, 65017985), (10, 52014388), (20, 26007194), (40, 13003597)]