55728920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107171}}^1$

素因数の和:107195

約数の個数: 32

約数和(自身を含む): 135036720

約数和(自身を除く): 79307800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 107171, 214342, 428684, 535855, 857368, 1071710, 1393223, 2143420, 2786446, 4286840, 5572892, 6966115, 11145784, 13932230, 27864460, 55728920]

約数ペア:

[(1, 55728920), (2, 27864460), (4, 13932230), (5, 11145784), (8, 6966115), (10, 5572892), (13, 4286840), (20, 2786446), (26, 2143420), (40, 1393223), (52, 1071710), (65, 857368), (104, 535855), (130, 428684), (260, 214342), (520, 107171)]