51352520

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1583}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 115758720

約数和(自身を除く): 64406200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1583, 1622, 3166, 3244, 4055, 6332, 6488, 7915, 8110, 12664, 15830, 16220, 31660, 32440, 63320, 1283813, 2567626, 5135252, 6419065, 10270504, 12838130, 25676260, 51352520]

約数ペア:

[(1, 51352520), (2, 25676260), (4, 12838130), (5, 10270504), (8, 6419065), (10, 5135252), (20, 2567626), (40, 1283813), (811, 63320), (1583, 32440), (1622, 31660), (3166, 16220), (3244, 15830), (4055, 12664), (6332, 8110), (6488, 7915)]