74912920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7121}}^1$

素因数の和:7395

約数の個数: 32

約数和(自身を含む): 169218720

約数和(自身を除く): 94305800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7121, 10520, 14242, 28484, 35605, 56968, 71210, 142420, 284840, 1872823, 3745646, 7491292, 9364115, 14982584, 18728230, 37456460, 74912920]

約数ペア:

[(1, 74912920), (2, 37456460), (4, 18728230), (5, 14982584), (8, 9364115), (10, 7491292), (20, 3745646), (40, 1872823), (263, 284840), (526, 142420), (1052, 71210), (1315, 56968), (2104, 35605), (2630, 28484), (5260, 14242), (7121, 10520)]