39973640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 103334400

約数和(自身を除く): 63360760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 367, 389, 734, 778, 1468, 1556, 1835, 1945, 2569, 2723, 2936, 3112, 3670, 3890, 5138, 5446, 7340, 7780, 10276, 10892, 12845, 13615, 14680, 15560, 20552, 21784, 25690, 27230, 51380, 54460, 102760, 108920, 142763, 285526, 571052, 713815, 999341, 1142104, 1427630, 1998682, 2855260, 3997364, 4996705, 5710520, 7994728, 9993410, 19986820, 39973640]

約数ペア:

[(1, 39973640), (2, 19986820), (4, 9993410), (5, 7994728), (7, 5710520), (8, 4996705), (10, 3997364), (14, 2855260), (20, 1998682), (28, 1427630), (35, 1142104), (40, 999341), (56, 713815), (70, 571052), (140, 285526), (280, 142763), (367, 108920), (389, 102760), (734, 54460), (778, 51380), (1468, 27230), (1556, 25690), (1835, 21784), (1945, 20552), (2569, 15560), (2723, 14680), (2936, 13615), (3112, 12845), (3670, 10892), (3890, 10276), (5138, 7780), (5446, 7340)]