26826940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191621}}^1$

素因数の和:191637

約数の個数: 24

約数和(自身を含む): 64384992

約数和(自身を除く): 37558052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191621, 383242, 766484, 958105, 1341347, 1916210, 2682694, 3832420, 5365388, 6706735, 13413470, 26826940]

約数ペア:

[(1, 26826940), (2, 13413470), (4, 6706735), (5, 5365388), (7, 3832420), (10, 2682694), (14, 1916210), (20, 1341347), (28, 958105), (35, 766484), (70, 383242), (140, 191621)]