1025856880

素因数分解:

$2^4\times 5^1\times {\mathrm{12823211}}^1$

素因数の和:12823224

約数の個数: 20

約数和(自身を含む): 2385117432

約数和(自身を除く): 1359260552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12823211, 25646422, 51292844, 64116055, 102585688, 128232110, 205171376, 256464220, 512928440, 1025856880]

約数ペア:

[(1, 1025856880), (2, 512928440), (4, 256464220), (5, 205171376), (8, 128232110), (10, 102585688), (16, 64116055), (20, 51292844), (40, 25646422), (80, 12823211)]