2013288880

素因数分解:

$2^4\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{20747}}^1$

素因数の和:21973

約数の個数: 40

約数和(自身を含む): 4684981392

約数和(自身を除く): 2671692512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1213, 2426, 4852, 6065, 9704, 12130, 19408, 20747, 24260, 41494, 48520, 82988, 97040, 103735, 165976, 207470, 331952, 414940, 829880, 1659760, 25166111, 50332222, 100664444, 125830555, 201328888, 251661110, 402657776, 503322220, 1006644440, 2013288880]

約数ペア:

[(1, 2013288880), (2, 1006644440), (4, 503322220), (5, 402657776), (8, 251661110), (10, 201328888), (16, 125830555), (20, 100664444), (40, 50332222), (80, 25166111), (1213, 1659760), (2426, 829880), (4852, 414940), (6065, 331952), (9704, 207470), (12130, 165976), (19408, 103735), (20747, 97040), (24260, 82988), (41494, 48520)]