19752880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5039}}^1$

素因数の和:5066

約数の個数: 60

約数和(自身を含む): 53434080

約数和(自身を除く): 33681200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5039, 10078, 20156, 25195, 35273, 40312, 50390, 70546, 80624, 100780, 141092, 176365, 201560, 246911, 282184, 352730, 403120, 493822, 564368, 705460, 987644, 1234555, 1410920, 1975288, 2469110, 2821840, 3950576, 4938220, 9876440, 19752880]

約数ペア:

[(1, 19752880), (2, 9876440), (4, 4938220), (5, 3950576), (7, 2821840), (8, 2469110), (10, 1975288), (14, 1410920), (16, 1234555), (20, 987644), (28, 705460), (35, 564368), (40, 493822), (49, 403120), (56, 352730), (70, 282184), (80, 246911), (98, 201560), (112, 176365), (140, 141092), (196, 100780), (245, 80624), (280, 70546), (392, 50390), (490, 40312), (560, 35273), (784, 25195), (980, 20156), (1960, 10078), (3920, 5039)]