25165260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 76776336

約数和(自身を除く): 51611076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 557, 753, 1004, 1114, 1255, 1506, 1671, 2228, 2259, 2510, 2785, 3012, 3342, 3765, 4518, 5013, 5020, 5570, 6684, 7530, 8355, 9036, 10026, 11140, 11295, 15060, 16710, 20052, 22590, 25065, 33420, 45180, 50130, 100260, 139807, 279614, 419421, 559228, 699035, 838842, 1258263, 1398070, 1677684, 2097105, 2516526, 2796140, 4194210, 5033052, 6291315, 8388420, 12582630, 25165260]

約数ペア:

[(1, 25165260), (2, 12582630), (3, 8388420), (4, 6291315), (5, 5033052), (6, 4194210), (9, 2796140), (10, 2516526), (12, 2097105), (15, 1677684), (18, 1398070), (20, 1258263), (30, 838842), (36, 699035), (45, 559228), (60, 419421), (90, 279614), (180, 139807), (251, 100260), (502, 50130), (557, 45180), (753, 33420), (1004, 25065), (1114, 22590), (1255, 20052), (1506, 16710), (1671, 15060), (2228, 11295), (2259, 11140), (2510, 10026), (2785, 9036), (3012, 8355), (3342, 7530), (3765, 6684), (4518, 5570), (5013, 5020)]