5080520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 11518200

約数和(自身を除く): 6437680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 809, 1256, 1570, 1618, 3140, 3236, 4045, 6280, 6472, 8090, 16180, 32360, 127013, 254026, 508052, 635065, 1016104, 1270130, 2540260, 5080520]

約数ペア:

[(1, 5080520), (2, 2540260), (4, 1270130), (5, 1016104), (8, 635065), (10, 508052), (20, 254026), (40, 127013), (157, 32360), (314, 16180), (628, 8090), (785, 6472), (809, 6280), (1256, 4045), (1570, 3236), (1618, 3140)]