80398220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{82039}}^1$

素因数の和:82062

約数の個数: 36

約数和(自身を含む): 196403760

約数和(自身を除く): 116005540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 82039, 164078, 328156, 410195, 574273, 820390, 1148546, 1640780, 2297092, 2871365, 4019911, 5742730, 8039822, 11485460, 16079644, 20099555, 40199110, 80398220]

約数ペア:

[(1, 80398220), (2, 40199110), (4, 20099555), (5, 16079644), (7, 11485460), (10, 8039822), (14, 5742730), (20, 4019911), (28, 2871365), (35, 2297092), (49, 1640780), (70, 1148546), (98, 820390), (140, 574273), (196, 410195), (245, 328156), (490, 164078), (980, 82039)]