12956380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 16436900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 719, 901, 1060, 1438, 1802, 2876, 3595, 3604, 4505, 7190, 9010, 12223, 14380, 18020, 24446, 38107, 48892, 61115, 76214, 122230, 152428, 190535, 244460, 381070, 647819, 762140, 1295638, 2591276, 3239095, 6478190, 12956380]

約数ペア:

[(1, 12956380), (2, 6478190), (4, 3239095), (5, 2591276), (10, 1295638), (17, 762140), (20, 647819), (34, 381070), (53, 244460), (68, 190535), (85, 152428), (106, 122230), (170, 76214), (212, 61115), (265, 48892), (340, 38107), (530, 24446), (719, 18020), (901, 14380), (1060, 12223), (1438, 9010), (1802, 7190), (2876, 4505), (3595, 3604)]