12840130

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12713}}^1$

素因数の和:12821

約数の個数: 16

約数和(自身を含む): 23342904

約数和(自身を除く): 10502774

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 12713, 25426, 63565, 127130, 1284013, 2568026, 6420065, 12840130]

約数ペア:

[(1, 12840130), (2, 6420065), (5, 2568026), (10, 1284013), (101, 127130), (202, 63565), (505, 25426), (1010, 12713)]