89658520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320209}}^1$

素因数の和:320227

約数の個数: 32

約数和(自身を含む): 230551200

約数和(自身を除く): 140892680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320209, 640418, 1280836, 1601045, 2241463, 2561672, 3202090, 4482926, 6404180, 8965852, 11207315, 12808360, 17931704, 22414630, 44829260, 89658520]

約数ペア:

[(1, 89658520), (2, 44829260), (4, 22414630), (5, 17931704), (7, 12808360), (8, 11207315), (10, 8965852), (14, 6404180), (20, 4482926), (28, 3202090), (35, 2561672), (40, 2241463), (56, 1601045), (70, 1280836), (140, 640418), (280, 320209)]