51041320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 126023040

約数和(自身を除く): 74981720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 311, 373, 440, 622, 746, 1244, 1492, 1555, 1865, 2488, 2984, 3110, 3421, 3730, 4103, 6220, 6842, 7460, 8206, 12440, 13684, 14920, 16412, 17105, 20515, 27368, 32824, 34210, 41030, 68420, 82060, 116003, 136840, 164120, 232006, 464012, 580015, 928024, 1160030, 1276033, 2320060, 2552066, 4640120, 5104132, 6380165, 10208264, 12760330, 25520660, 51041320]

約数ペア:

[(1, 51041320), (2, 25520660), (4, 12760330), (5, 10208264), (8, 6380165), (10, 5104132), (11, 4640120), (20, 2552066), (22, 2320060), (40, 1276033), (44, 1160030), (55, 928024), (88, 580015), (110, 464012), (220, 232006), (311, 164120), (373, 136840), (440, 116003), (622, 82060), (746, 68420), (1244, 41030), (1492, 34210), (1555, 32824), (1865, 27368), (2488, 20515), (2984, 17105), (3110, 16412), (3421, 14920), (3730, 13684), (4103, 12440), (6220, 8206), (6842, 7460)]