20100210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51539}}^1$

素因数の和:51562

約数の個数: 32

約数和(自身を含む): 51952320

約数和(自身を除く): 31852110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51539, 103078, 154617, 257695, 309234, 515390, 670007, 773085, 1340014, 1546170, 2010021, 3350035, 4020042, 6700070, 10050105, 20100210]

約数ペア:

[(1, 20100210), (2, 10050105), (3, 6700070), (5, 4020042), (6, 3350035), (10, 2010021), (13, 1546170), (15, 1340014), (26, 773085), (30, 670007), (39, 515390), (65, 309234), (78, 257695), (130, 154617), (195, 103078), (390, 51539)]