80493904

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{15199}}^1$

素因数の和:15538

約数の個数: 20

約数和(自身を含む): 156438400

約数和(自身を除く): 75944496

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 15199, 30398, 60796, 121592, 243184, 5030869, 10061738, 20123476, 40246952, 80493904]

約数ペア:

[(1, 80493904), (2, 40246952), (4, 20123476), (8, 10061738), (16, 5030869), (331, 243184), (662, 121592), (1324, 60796), (2648, 30398), (5296, 15199)]