2019793880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{5051}}^1$

素因数の和:5844

約数の個数: 64

約数和(自身を含む): 4901450400

約数和(自身を除く): 2881656520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 769, 1538, 3076, 3845, 5051, 6152, 7690, 9997, 10102, 15380, 19994, 20204, 25255, 30760, 39988, 40408, 49985, 50510, 65663, 79976, 99970, 101020, 131326, 199940, 202040, 262652, 328315, 399880, 525304, 656630, 1313260, 2626520, 3884219, 7768438, 15536876, 19421095, 31073752, 38842190, 50494847, 77684380, 100989694, 155368760, 201979388, 252474235, 403958776, 504948470, 1009896940, 2019793880]

約数ペア:

[(1, 2019793880), (2, 1009896940), (4, 504948470), (5, 403958776), (8, 252474235), (10, 201979388), (13, 155368760), (20, 100989694), (26, 77684380), (40, 50494847), (52, 38842190), (65, 31073752), (104, 19421095), (130, 15536876), (260, 7768438), (520, 3884219), (769, 2626520), (1538, 1313260), (3076, 656630), (3845, 525304), (5051, 399880), (6152, 328315), (7690, 262652), (9997, 202040), (10102, 199940), (15380, 131326), (19994, 101020), (20204, 99970), (25255, 79976), (30760, 65663), (39988, 50510), (40408, 49985)]