64508090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{72481}}^1$

素因数の和:72577

約数の個数: 16

約数和(自身を含む): 117420840

約数和(自身を除く): 52912750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 72481, 144962, 362405, 724810, 6450809, 12901618, 32254045, 64508090]

約数ペア:

[(1, 64508090), (2, 32254045), (5, 12901618), (10, 6450809), (89, 724810), (178, 362405), (445, 144962), (890, 72481)]