2018552080

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{31189}}^1$

素因数の和:32011

約数の個数: 40

約数和(自身を含む): 4699085400

約数和(自身を除く): 2680533320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 6472, 8090, 12944, 16180, 31189, 32360, 62378, 64720, 124756, 155945, 249512, 311890, 499024, 623780, 1247560, 2495120, 25231901, 50463802, 100927604, 126159505, 201855208, 252319010, 403710416, 504638020, 1009276040, 2018552080]

約数ペア:

[(1, 2018552080), (2, 1009276040), (4, 504638020), (5, 403710416), (8, 252319010), (10, 201855208), (16, 126159505), (20, 100927604), (40, 50463802), (80, 25231901), (809, 2495120), (1618, 1247560), (3236, 623780), (4045, 499024), (6472, 311890), (8090, 249512), (12944, 155945), (16180, 124756), (31189, 64720), (32360, 62378)]