4020002080

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{302711}}^1$

素因数の和:302809

約数の個数: 48

約数和(自身を含む): 9611711424

約数和(自身を除く): 5591709344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 302711, 605422, 1210844, 1513555, 2421688, 3027110, 4843376, 6054220, 9686752, 12108440, 24216880, 25125013, 48433760, 50250026, 100500052, 125625065, 201000104, 251250130, 402000208, 502500260, 804000416, 1005000520, 2010001040, 4020002080]

約数ペア:

[(1, 4020002080), (2, 2010001040), (4, 1005000520), (5, 804000416), (8, 502500260), (10, 402000208), (16, 251250130), (20, 201000104), (32, 125625065), (40, 100500052), (80, 50250026), (83, 48433760), (160, 25125013), (166, 24216880), (332, 12108440), (415, 9686752), (664, 6054220), (830, 4843376), (1328, 3027110), (1660, 2421688), (2656, 1513555), (3320, 1210844), (6640, 605422), (13280, 302711)]