2028650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3146

約数の個数: 24

約数和(自身を含む): 4064844

約数和(自身を除く): 2036194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3121, 6242, 15605, 31210, 40573, 78025, 81146, 156050, 202865, 405730, 1014325, 2028650]

約数ペア:

[(1, 2028650), (2, 1014325), (5, 405730), (10, 202865), (13, 156050), (25, 81146), (26, 78025), (50, 40573), (65, 31210), (130, 15605), (325, 6242), (650, 3121)]