129720130

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{99023}}^1$

素因数の和:99161

約数の個数: 16

約数和(自身を含む): 235281024

約数和(自身を除く): 105560894

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 99023, 198046, 495115, 990230, 12972013, 25944026, 64860065, 129720130]

約数ペア:

[(1, 129720130), (2, 64860065), (5, 25944026), (10, 12972013), (131, 990230), (262, 495115), (655, 198046), (1310, 99023)]