80795680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72139}}^1$

素因数の和:72161

約数の個数: 48

約数和(自身を含む): 218151360

約数和(自身を除く): 137355680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72139, 144278, 288556, 360695, 504973, 577112, 721390, 1009946, 1154224, 1442780, 2019892, 2308448, 2524865, 2885560, 4039784, 5049730, 5771120, 8079568, 10099460, 11542240, 16159136, 20198920, 40397840, 80795680]

約数ペア:

[(1, 80795680), (2, 40397840), (4, 20198920), (5, 16159136), (7, 11542240), (8, 10099460), (10, 8079568), (14, 5771120), (16, 5049730), (20, 4039784), (28, 2885560), (32, 2524865), (35, 2308448), (40, 2019892), (56, 1442780), (70, 1154224), (80, 1009946), (112, 721390), (140, 577112), (160, 504973), (224, 360695), (280, 288556), (560, 144278), (1120, 72139)]