64031120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25819}}^1$

素因数の和:25863

約数の個数: 40

約数和(自身を含む): 153680640

約数和(自身を除く): 89649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 25819, 51638, 103276, 129095, 206552, 258190, 413104, 516380, 800389, 1032760, 1600778, 2065520, 3201556, 4001945, 6403112, 8003890, 12806224, 16007780, 32015560, 64031120]

約数ペア:

[(1, 64031120), (2, 32015560), (4, 16007780), (5, 12806224), (8, 8003890), (10, 6403112), (16, 4001945), (20, 3201556), (31, 2065520), (40, 1600778), (62, 1032760), (80, 800389), (124, 516380), (155, 413104), (248, 258190), (310, 206552), (496, 129095), (620, 103276), (1240, 51638), (2480, 25819)]