13405540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 29192436

約数和(自身を除く): 15786896

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 797, 841, 1594, 1682, 3188, 3364, 3985, 4205, 7970, 8410, 15940, 16820, 23113, 46226, 92452, 115565, 231130, 462260, 670277, 1340554, 2681108, 3351385, 6702770, 13405540]

約数ペア:

[(1, 13405540), (2, 6702770), (4, 3351385), (5, 2681108), (10, 1340554), (20, 670277), (29, 462260), (58, 231130), (116, 115565), (145, 92452), (290, 46226), (580, 23113), (797, 16820), (841, 15940), (1594, 8410), (1682, 7970), (3188, 4205), (3364, 3985)]