90587120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87103}}^1$

素因数の和:87129

約数の個数: 40

約数和(自身を含む): 226818816

約数和(自身を除く): 136231696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87103, 174206, 348412, 435515, 696824, 871030, 1132339, 1393648, 1742060, 2264678, 3484120, 4529356, 5661695, 6968240, 9058712, 11323390, 18117424, 22646780, 45293560, 90587120]

約数ペア:

[(1, 90587120), (2, 45293560), (4, 22646780), (5, 18117424), (8, 11323390), (10, 9058712), (13, 6968240), (16, 5661695), (20, 4529356), (26, 3484120), (40, 2264678), (52, 1742060), (65, 1393648), (80, 1132339), (104, 871030), (130, 696824), (208, 435515), (260, 348412), (520, 174206), (1040, 87103)]