13581580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 30401280

約数和(自身を除く): 16819700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 347, 380, 412, 515, 694, 1030, 1388, 1735, 1957, 2060, 3470, 3914, 6593, 6940, 7828, 9785, 13186, 19570, 26372, 32965, 35741, 39140, 65930, 71482, 131860, 142964, 178705, 357410, 679079, 714820, 1358158, 2716316, 3395395, 6790790, 13581580]

約数ペア:

[(1, 13581580), (2, 6790790), (4, 3395395), (5, 2716316), (10, 1358158), (19, 714820), (20, 679079), (38, 357410), (76, 178705), (95, 142964), (103, 131860), (190, 71482), (206, 65930), (347, 39140), (380, 35741), (412, 32965), (515, 26372), (694, 19570), (1030, 13186), (1388, 9785), (1735, 7828), (1957, 6940), (2060, 6593), (3470, 3914)]