118020920

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4603}}^1$

素因数の和:5255

約数の個数: 32

約数和(自身を含む): 266019120

約数和(自身を除く): 147998200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 4603, 5128, 6410, 9206, 12820, 18412, 23015, 25640, 36824, 46030, 92060, 184120, 2950523, 5901046, 11802092, 14752615, 23604184, 29505230, 59010460, 118020920]

約数ペア:

[(1, 118020920), (2, 59010460), (4, 29505230), (5, 23604184), (8, 14752615), (10, 11802092), (20, 5901046), (40, 2950523), (641, 184120), (1282, 92060), (2564, 46030), (3205, 36824), (4603, 25640), (5128, 23015), (6410, 18412), (9206, 12820)]