6640790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 13438656

約数和(自身を除く): 6797866

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2221, 2990, 4442, 11105, 22210, 28873, 51083, 57746, 102166, 144365, 255415, 288730, 510830, 664079, 1328158, 3320395, 6640790]

約数ペア:

[(1, 6640790), (2, 3320395), (5, 1328158), (10, 664079), (13, 510830), (23, 288730), (26, 255415), (46, 144365), (65, 102166), (115, 57746), (130, 51083), (230, 28873), (299, 22210), (598, 11105), (1495, 4442), (2221, 2990)]