65640130

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41809}}^1$

素因数の和:41973

約数の個数: 16

約数和(自身を含む): 118907640

約数和(自身を除く): 53267510

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 41809, 83618, 209045, 418090, 6564013, 13128026, 32820065, 65640130]

約数ペア:

[(1, 65640130), (2, 32820065), (5, 13128026), (10, 6564013), (157, 418090), (314, 209045), (785, 83618), (1570, 41809)]