51949840

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1291}}^1$

素因数の和:1807

約数の個数: 40

約数和(自身を含む): 121117248

約数和(自身を除く): 69167408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 1291, 2012, 2515, 2582, 4024, 5030, 5164, 6455, 8048, 10060, 10328, 12910, 20120, 20656, 25820, 40240, 51640, 103280, 649373, 1298746, 2597492, 3246865, 5194984, 6493730, 10389968, 12987460, 25974920, 51949840]

約数ペア:

[(1, 51949840), (2, 25974920), (4, 12987460), (5, 10389968), (8, 6493730), (10, 5194984), (16, 3246865), (20, 2597492), (40, 1298746), (80, 649373), (503, 103280), (1006, 51640), (1291, 40240), (2012, 25820), (2515, 20656), (2582, 20120), (4024, 12910), (5030, 10328), (5164, 10060), (6455, 8048)]