1293670040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2487827}}^1$

素因数の和:2487851

約数の個数: 32

約数和(自身を含む): 3134663280

約数和(自身を除く): 1840993240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2487827, 4975654, 9951308, 12439135, 19902616, 24878270, 32341751, 49756540, 64683502, 99513080, 129367004, 161708755, 258734008, 323417510, 646835020, 1293670040]

約数ペア:

[(1, 1293670040), (2, 646835020), (4, 323417510), (5, 258734008), (8, 161708755), (10, 129367004), (13, 99513080), (20, 64683502), (26, 49756540), (40, 32341751), (52, 24878270), (65, 19902616), (104, 12439135), (130, 9951308), (260, 4975654), (520, 2487827)]