31888020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4057}}^1$

素因数の和:4200

約数の個数: 48

約数和(自身を含む): 89990208

約数和(自身を除く): 58102188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 4057, 7860, 8114, 12171, 16228, 20285, 24342, 40570, 48684, 60855, 81140, 121710, 243420, 531467, 1062934, 1594401, 2125868, 2657335, 3188802, 5314670, 6377604, 7972005, 10629340, 15944010, 31888020]

約数ペア:

[(1, 31888020), (2, 15944010), (3, 10629340), (4, 7972005), (5, 6377604), (6, 5314670), (10, 3188802), (12, 2657335), (15, 2125868), (20, 1594401), (30, 1062934), (60, 531467), (131, 243420), (262, 121710), (393, 81140), (524, 60855), (655, 48684), (786, 40570), (1310, 24342), (1572, 20285), (1965, 16228), (2620, 12171), (3930, 8114), (4057, 7860)]