1036893690440

素因数分解:

$2^3\times 5^1\times {\mathrm{21011}}^1\times {\mathrm{1233751}}^1$

素因数の和:1254773

約数の個数: 32

約数和(自身を含む): 2333123732160

約数和(自身を除く): 1296230041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21011, 42022, 84044, 105055, 168088, 210110, 420220, 840440, 1233751, 2467502, 4935004, 6168755, 9870008, 12337510, 24675020, 49350040, 25922342261, 51844684522, 103689369044, 129611711305, 207378738088, 259223422610, 518446845220, 1036893690440]

約数ペア:

[(1, 1036893690440), (2, 518446845220), (4, 259223422610), (5, 207378738088), (8, 129611711305), (10, 103689369044), (20, 51844684522), (40, 25922342261), (21011, 49350040), (42022, 24675020), (84044, 12337510), (105055, 9870008), (168088, 6168755), (210110, 4935004), (420220, 2467502), (840440, 1233751)]