67990120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{154523}}^1$

素因数の和:154545

約数の個数: 32

約数和(自身を含む): 166885920

約数和(自身を除く): 98895800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 154523, 309046, 618092, 772615, 1236184, 1545230, 1699753, 3090460, 3399506, 6180920, 6799012, 8498765, 13598024, 16997530, 33995060, 67990120]

約数ペア:

[(1, 67990120), (2, 33995060), (4, 16997530), (5, 13598024), (8, 8498765), (10, 6799012), (11, 6180920), (20, 3399506), (22, 3090460), (40, 1699753), (44, 1545230), (55, 1236184), (88, 772615), (110, 618092), (220, 309046), (440, 154523)]