42280225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 18965855

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 167, 205, 247, 325, 475, 533, 779, 835, 1025, 1235, 2171, 2665, 3173, 3895, 4175, 6175, 6847, 10127, 10855, 13325, 15865, 19475, 34235, 41249, 50635, 54275, 79325, 89011, 130093, 171175, 206245, 253175, 445055, 650465, 1031225, 1691209, 2225275, 3252325, 8456045, 42280225]

約数ペア:

[(1, 42280225), (5, 8456045), (13, 3252325), (19, 2225275), (25, 1691209), (41, 1031225), (65, 650465), (95, 445055), (167, 253175), (205, 206245), (247, 171175), (325, 130093), (475, 89011), (533, 79325), (779, 54275), (835, 50635), (1025, 41249), (1235, 34235), (2171, 19475), (2665, 15865), (3173, 13325), (3895, 10855), (4175, 10127), (6175, 6847)]