2019804560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{476369}}^1$

素因数の和:476435

約数の個数: 40

約数和(自身を含む): 4784660280

約数和(自身を除く): 2764855720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 476369, 952738, 1905476, 2381845, 3810952, 4763690, 7621904, 9527380, 19054760, 25247557, 38109520, 50495114, 100990228, 126237785, 201980456, 252475570, 403960912, 504951140, 1009902280, 2019804560]

約数ペア:

[(1, 2019804560), (2, 1009902280), (4, 504951140), (5, 403960912), (8, 252475570), (10, 201980456), (16, 126237785), (20, 100990228), (40, 50495114), (53, 38109520), (80, 25247557), (106, 19054760), (212, 9527380), (265, 7621904), (424, 4763690), (530, 3810952), (848, 2381845), (1060, 1905476), (2120, 952738), (4240, 476369)]