8388420

素因数分解:

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

素因数の和:820

約数の個数: 48

約数和(自身を含む): 23623488

約数和(自身を除く): 15235068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 557, 753, 1004, 1114, 1255, 1506, 1671, 2228, 2510, 2785, 3012, 3342, 3765, 5020, 5570, 6684, 7530, 8355, 11140, 15060, 16710, 33420, 139807, 279614, 419421, 559228, 699035, 838842, 1398070, 1677684, 2097105, 2796140, 4194210, 8388420]

約数ペア:

[(1, 8388420), (2, 4194210), (3, 2796140), (4, 2097105), (5, 1677684), (6, 1398070), (10, 838842), (12, 699035), (15, 559228), (20, 419421), (30, 279614), (60, 139807), (251, 33420), (502, 16710), (557, 15060), (753, 11140), (1004, 8355), (1114, 7530), (1255, 6684), (1506, 5570), (1671, 5020), (2228, 3765), (2510, 3342), (2785, 3012)]