26687560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6121}}^1$

素因数の和:6241

約数の個数: 32

約数和(自身を含む): 60607800

約数和(自身を除く): 33920240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6121, 12242, 24484, 30605, 48968, 61210, 122420, 244840, 667189, 1334378, 2668756, 3335945, 5337512, 6671890, 13343780, 26687560]

約数ペア:

[(1, 26687560), (2, 13343780), (4, 6671890), (5, 5337512), (8, 3335945), (10, 2668756), (20, 1334378), (40, 667189), (109, 244840), (218, 122420), (436, 61210), (545, 48968), (872, 30605), (1090, 24484), (2180, 12242), (4360, 6121)]