25141655

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 15241705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 491, 539, 665, 931, 1045, 1463, 2455, 2695, 3437, 4655, 5401, 7315, 9329, 10241, 17185, 24059, 27005, 37807, 46645, 51205, 65303, 102619, 120295, 189035, 264649, 326515, 457121, 513095, 718333, 1323245, 2285605, 3591665, 5028331, 25141655]

約数ペア:

[(1, 25141655), (5, 5028331), (7, 3591665), (11, 2285605), (19, 1323245), (35, 718333), (49, 513095), (55, 457121), (77, 326515), (95, 264649), (133, 189035), (209, 120295), (245, 102619), (385, 65303), (491, 51205), (539, 46645), (665, 37807), (931, 27005), (1045, 24059), (1463, 17185), (2455, 10241), (2695, 9329), (3437, 7315), (4655, 5401)]