101280520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{601}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 249661440

約数和(自身を除く): 148380920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 440, 601, 766, 1202, 1532, 1915, 2404, 3005, 3064, 3830, 4213, 4808, 6010, 6611, 7660, 8426, 12020, 13222, 15320, 16852, 21065, 24040, 26444, 33055, 33704, 42130, 52888, 66110, 84260, 132220, 168520, 230183, 264440, 460366, 920732, 1150915, 1841464, 2301830, 2532013, 4603660, 5064026, 9207320, 10128052, 12660065, 20256104, 25320130, 50640260, 101280520]

約数ペア:

[(1, 101280520), (2, 50640260), (4, 25320130), (5, 20256104), (8, 12660065), (10, 10128052), (11, 9207320), (20, 5064026), (22, 4603660), (40, 2532013), (44, 2301830), (55, 1841464), (88, 1150915), (110, 920732), (220, 460366), (383, 264440), (440, 230183), (601, 168520), (766, 132220), (1202, 84260), (1532, 66110), (1915, 52888), (2404, 42130), (3005, 33704), (3064, 33055), (3830, 26444), (4213, 24040), (4808, 21065), (6010, 16852), (6611, 15320), (7660, 13222), (8426, 12020)]