12890238080

素因数分解:

$2^7\times 5^1\times {\mathrm{20140997}}^1$

素因数の和:20141016

約数の個数: 32

約数和(自身を含む): 30815726940

約数和(自身を除く): 17925488860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20140997, 40281994, 80563988, 100704985, 161127976, 201409970, 322255952, 402819940, 644511904, 805639880, 1289023808, 1611279760, 2578047616, 3222559520, 6445119040, 12890238080]

約数ペア:

[(1, 12890238080), (2, 6445119040), (4, 3222559520), (5, 2578047616), (8, 1611279760), (10, 1289023808), (16, 805639880), (20, 644511904), (32, 402819940), (40, 322255952), (64, 201409970), (80, 161127976), (128, 100704985), (160, 80563988), (320, 40281994), (640, 20140997)]