20185968080

素因数分解:

$2^4\times 5^1\times {\mathrm{4523}}^1\times {\mathrm{55787}}^1$

素因数の和:60323

約数の個数: 40

約数和(自身を含む): 46943593632

約数和(自身を除く): 26757625552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4523, 9046, 18092, 22615, 36184, 45230, 55787, 72368, 90460, 111574, 180920, 223148, 278935, 361840, 446296, 557870, 892592, 1115740, 2231480, 4462960, 252324601, 504649202, 1009298404, 1261623005, 2018596808, 2523246010, 4037193616, 5046492020, 10092984040, 20185968080]

約数ペア:

[(1, 20185968080), (2, 10092984040), (4, 5046492020), (5, 4037193616), (8, 2523246010), (10, 2018596808), (16, 1261623005), (20, 1009298404), (40, 504649202), (80, 252324601), (4523, 4462960), (9046, 2231480), (18092, 1115740), (22615, 892592), (36184, 557870), (45230, 446296), (55787, 361840), (72368, 278935), (90460, 223148), (111574, 180920)]