123764120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{50723}}^1$

素因数の和:50795

約数の個数: 32

約数和(自身を含む): 283039920

約数和(自身を除く): 159275800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 50723, 101446, 202892, 253615, 405784, 507230, 1014460, 2028920, 3094103, 6188206, 12376412, 15470515, 24752824, 30941030, 61882060, 123764120]

約数ペア:

[(1, 123764120), (2, 61882060), (4, 30941030), (5, 24752824), (8, 15470515), (10, 12376412), (20, 6188206), (40, 3094103), (61, 2028920), (122, 1014460), (244, 507230), (305, 405784), (488, 253615), (610, 202892), (1220, 101446), (2440, 50723)]