100780240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1708

約数の個数: 80

約数和(自身を含む): 259376256

約数和(自身を除く): 158596016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 1613, 2840, 3124, 3226, 3905, 5680, 6248, 6452, 7810, 8065, 12496, 12904, 15620, 16130, 17743, 25808, 31240, 32260, 35486, 62480, 64520, 70972, 88715, 114523, 129040, 141944, 177430, 229046, 283888, 354860, 458092, 572615, 709720, 916184, 1145230, 1259753, 1419440, 1832368, 2290460, 2519506, 4580920, 5039012, 6298765, 9161840, 10078024, 12597530, 20156048, 25195060, 50390120, 100780240]

約数ペア:

[(1, 100780240), (2, 50390120), (4, 25195060), (5, 20156048), (8, 12597530), (10, 10078024), (11, 9161840), (16, 6298765), (20, 5039012), (22, 4580920), (40, 2519506), (44, 2290460), (55, 1832368), (71, 1419440), (80, 1259753), (88, 1145230), (110, 916184), (142, 709720), (176, 572615), (220, 458092), (284, 354860), (355, 283888), (440, 229046), (568, 177430), (710, 141944), (781, 129040), (880, 114523), (1136, 88715), (1420, 70972), (1562, 64520), (1613, 62480), (2840, 35486), (3124, 32260), (3226, 31240), (3905, 25808), (5680, 17743), (6248, 16130), (6452, 15620), (7810, 12904), (8065, 12496)]