20131710040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38714827}}^1$

素因数の和:38714851

約数の個数: 32

約数和(自身を含む): 48780683280

約数和(自身を除く): 28648973240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38714827, 77429654, 154859308, 193574135, 309718616, 387148270, 503292751, 774296540, 1006585502, 1548593080, 2013171004, 2516463755, 4026342008, 5032927510, 10065855020, 20131710040]

約数ペア:

[(1, 20131710040), (2, 10065855020), (4, 5032927510), (5, 4026342008), (8, 2516463755), (10, 2013171004), (13, 1548593080), (20, 1006585502), (26, 774296540), (40, 503292751), (52, 387148270), (65, 309718616), (104, 193574135), (130, 154859308), (260, 77429654), (520, 38714827)]