2017231780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{401839}}^1$

素因数の和:402099

約数の個数: 24

約数和(自身を含む): 4253074560

約数和(自身を除く): 2235842780

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 401839, 803678, 1607356, 2009195, 4018390, 8036780, 100861589, 201723178, 403446356, 504307945, 1008615890, 2017231780]

約数ペア:

[(1, 2017231780), (2, 1008615890), (4, 504307945), (5, 403446356), (10, 201723178), (20, 100861589), (251, 8036780), (502, 4018390), (1004, 2009195), (1255, 1607356), (2510, 803678), (5020, 401839)]