89528920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172171}}^1$

素因数の和:172195

約数の個数: 32

約数和(自身を含む): 216936720

約数和(自身を除く): 127407800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172171, 344342, 688684, 860855, 1377368, 1721710, 2238223, 3443420, 4476446, 6886840, 8952892, 11191115, 17905784, 22382230, 44764460, 89528920]

約数ペア:

[(1, 89528920), (2, 44764460), (4, 22382230), (5, 17905784), (8, 11191115), (10, 8952892), (13, 6886840), (20, 4476446), (26, 3443420), (40, 2238223), (52, 1721710), (65, 1377368), (104, 860855), (130, 688684), (260, 344342), (520, 172171)]