8215040

素因数分解:

$2^9\times 5^1\times {\mathrm{3209}}^1$

素因数の和:3232

約数の個数: 40

約数和(自身を含む): 19702980

約数和(自身を除く): 11487940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3209, 6418, 12836, 16045, 25672, 32090, 51344, 64180, 102688, 128360, 205376, 256720, 410752, 513440, 821504, 1026880, 1643008, 2053760, 4107520, 8215040]

約数ペア:

[(1, 8215040), (2, 4107520), (4, 2053760), (5, 1643008), (8, 1026880), (10, 821504), (16, 513440), (20, 410752), (32, 256720), (40, 205376), (64, 128360), (80, 102688), (128, 64180), (160, 51344), (256, 32090), (320, 25672), (512, 16045), (640, 12836), (1280, 6418), (2560, 3209)]