25195060

素因数分解:

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

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 58568832

約数和(自身を除く): 33373772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1613, 3124, 3226, 3905, 6452, 7810, 8065, 15620, 16130, 17743, 32260, 35486, 70972, 88715, 114523, 177430, 229046, 354860, 458092, 572615, 1145230, 1259753, 2290460, 2519506, 5039012, 6298765, 12597530, 25195060]

約数ペア:

[(1, 25195060), (2, 12597530), (4, 6298765), (5, 5039012), (10, 2519506), (11, 2290460), (20, 1259753), (22, 1145230), (44, 572615), (55, 458092), (71, 354860), (110, 229046), (142, 177430), (220, 114523), (284, 88715), (355, 70972), (710, 35486), (781, 32260), (1420, 17743), (1562, 16130), (1613, 15620), (3124, 8065), (3226, 7810), (3905, 6452)]