210860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 477456

約数和(自身を除く): 266596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 811, 1622, 3244, 4055, 8110, 10543, 16220, 21086, 42172, 52715, 105430, 210860]

約数ペア:

[(1, 210860), (2, 105430), (4, 52715), (5, 42172), (10, 21086), (13, 16220), (20, 10543), (26, 8110), (52, 4055), (65, 3244), (130, 1622), (260, 811)]