231313520

素因数分解:

$2^4\times 5^1\times {\mathrm{2891419}}^1$

素因数の和:2891432

約数の個数: 20

約数和(自身を含む): 537804120

約数和(自身を除く): 306490600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2891419, 5782838, 11565676, 14457095, 23131352, 28914190, 46262704, 57828380, 115656760, 231313520]

約数ペア:

[(1, 231313520), (2, 115656760), (4, 57828380), (5, 46262704), (8, 28914190), (10, 23131352), (16, 14457095), (20, 11565676), (40, 5782838), (80, 2891419)]