13335040

素因数分解:

$2^9\times 5^1\times {\mathrm{5209}}^1$

素因数の和:5232

約数の個数: 40

約数和(自身を含む): 31978980

約数和(自身を除く): 18643940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5209, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 166688, 208360, 333376, 416720, 666752, 833440, 1333504, 1666880, 2667008, 3333760, 6667520, 13335040]

約数ペア:

[(1, 13335040), (2, 6667520), (4, 3333760), (5, 2667008), (8, 1666880), (10, 1333504), (16, 833440), (20, 666752), (32, 416720), (40, 333376), (64, 208360), (80, 166688), (128, 104180), (160, 83344), (256, 52090), (320, 41672), (512, 26045), (640, 20836), (1280, 10418), (2560, 5209)]