13269640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2113}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 30061080

約数和(自身を除く): 16791440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2113, 3140, 4226, 6280, 8452, 10565, 16904, 21130, 42260, 84520, 331741, 663482, 1326964, 1658705, 2653928, 3317410, 6634820, 13269640]

約数ペア:

[(1, 13269640), (2, 6634820), (4, 3317410), (5, 2653928), (8, 1658705), (10, 1326964), (20, 663482), (40, 331741), (157, 84520), (314, 42260), (628, 21130), (785, 16904), (1256, 10565), (1570, 8452), (2113, 6280), (3140, 4226)]