128896340

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{4931}}^1$

素因数の和:6247

約数の個数: 24

約数和(自身を含む): 270944352

約数和(自身を除く): 142048012

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 4931, 5228, 6535, 9862, 13070, 19724, 24655, 26140, 49310, 98620, 6444817, 12889634, 25779268, 32224085, 64448170, 128896340]

約数ペア:

[(1, 128896340), (2, 64448170), (4, 32224085), (5, 25779268), (10, 12889634), (20, 6444817), (1307, 98620), (2614, 49310), (4931, 26140), (5228, 24655), (6535, 19724), (9862, 13070)]