50390120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 125504640

約数和(自身を除く): 75114520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 1613, 2840, 3124, 3226, 3905, 6248, 6452, 7810, 8065, 12904, 15620, 16130, 17743, 31240, 32260, 35486, 64520, 70972, 88715, 114523, 141944, 177430, 229046, 354860, 458092, 572615, 709720, 916184, 1145230, 1259753, 2290460, 2519506, 4580920, 5039012, 6298765, 10078024, 12597530, 25195060, 50390120]

約数ペア:

[(1, 50390120), (2, 25195060), (4, 12597530), (5, 10078024), (8, 6298765), (10, 5039012), (11, 4580920), (20, 2519506), (22, 2290460), (40, 1259753), (44, 1145230), (55, 916184), (71, 709720), (88, 572615), (110, 458092), (142, 354860), (220, 229046), (284, 177430), (355, 141944), (440, 114523), (568, 88715), (710, 70972), (781, 64520), (1420, 35486), (1562, 32260), (1613, 31240), (2840, 17743), (3124, 16130), (3226, 15620), (3905, 12904), (6248, 8065), (6452, 7810)]