128062240

素因数分解:

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

素因数の和:25865

約数の個数: 48

約数和(自身を含む): 312318720

約数和(自身を除く): 184256480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 25819, 51638, 103276, 129095, 206552, 258190, 413104, 516380, 800389, 826208, 1032760, 1600778, 2065520, 3201556, 4001945, 4131040, 6403112, 8003890, 12806224, 16007780, 25612448, 32015560, 64031120, 128062240]

約数ペア:

[(1, 128062240), (2, 64031120), (4, 32015560), (5, 25612448), (8, 16007780), (10, 12806224), (16, 8003890), (20, 6403112), (31, 4131040), (32, 4001945), (40, 3201556), (62, 2065520), (80, 1600778), (124, 1032760), (155, 826208), (160, 800389), (248, 516380), (310, 413104), (496, 258190), (620, 206552), (992, 129095), (1240, 103276), (2480, 51638), (4960, 25819)]