3885520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2887

約数の個数: 40

約数和(自身を含む): 9568584

約数和(自身を除く): 5683064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2857, 5714, 11428, 14285, 22856, 28570, 45712, 48569, 57140, 97138, 114280, 194276, 228560, 242845, 388552, 485690, 777104, 971380, 1942760, 3885520]

約数ペア:

[(1, 3885520), (2, 1942760), (4, 971380), (5, 777104), (8, 485690), (10, 388552), (16, 242845), (17, 228560), (20, 194276), (34, 114280), (40, 97138), (68, 57140), (80, 48569), (85, 45712), (136, 28570), (170, 22856), (272, 14285), (340, 11428), (680, 5714), (1360, 2857)]